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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-bcel.git


The following commit(s) were added to refs/heads/master by this push:
     new d9180c76 Use JUnit 5 convention for class visibility
d9180c76 is described below

commit d9180c76ce6fda2d11666c09d56529d71dd90728
Author: Gary D. Gregory <[email protected]>
AuthorDate: Sun Jun 8 13:35:29 2025 -0400

    Use JUnit 5 convention for class visibility
---
 src/test/java/org/apache/bcel/AnnotationAccessFlagTest.java             | 2 +-
 src/test/java/org/apache/bcel/AnnotationDefaultAttributeTest.java       | 2 +-
 src/test/java/org/apache/bcel/AnnotationEntryTest.java                  | 2 +-
 src/test/java/org/apache/bcel/AnonymousClassTest.java                   | 2 +-
 src/test/java/org/apache/bcel/ConstTest.java                            | 2 +-
 src/test/java/org/apache/bcel/CounterVisitorTest.java                   | 2 +-
 src/test/java/org/apache/bcel/ElementValueGenTest.java                  | 2 +-
 src/test/java/org/apache/bcel/EnclosingMethodAttributeTest.java         | 2 +-
 src/test/java/org/apache/bcel/EnumAccessFlagTest.java                   | 2 +-
 src/test/java/org/apache/bcel/HandleTest.java                           | 2 +-
 src/test/java/org/apache/bcel/InstructionFinderTest.java                | 2 +-
 src/test/java/org/apache/bcel/LocalVariableTypeTableTest.java           | 2 +-
 src/test/java/org/apache/bcel/OssFuzzTest.java                          | 2 +-
 src/test/java/org/apache/bcel/PLSETest.java                             | 2 +-
 src/test/java/org/apache/bcel/classfile/CodeExceptionTest.java          | 2 +-
 .../java/org/apache/bcel/classfile/ConstantPoolModuleToStringTest.java  | 2 +-
 src/test/java/org/apache/bcel/classfile/ConstantPoolTest.java           | 2 +-
 src/test/java/org/apache/bcel/classfile/ConstantTest.java               | 2 +-
 src/test/java/org/apache/bcel/classfile/FieldTest.java                  | 2 +-
 src/test/java/org/apache/bcel/classfile/InvalidMethodSigantureTest.java | 2 +-
 src/test/java/org/apache/bcel/classfile/JDKClassDumpTest.java           | 2 +-
 src/test/java/org/apache/bcel/classfile/Jira368Test.java                | 2 +-
 src/test/java/org/apache/bcel/classfile/LocalVariableTest.java          | 2 +-
 src/test/java/org/apache/bcel/classfile/RecordTest.java                 | 2 +-
 src/test/java/org/apache/bcel/classfile/SignatureTest.java              | 2 +-
 src/test/java/org/apache/bcel/classfile/StackMapTest.java               | 2 +-
 src/test/java/org/apache/bcel/classfile/UtilityTest.java                | 2 +-
 src/test/java/org/apache/bcel/data/AnonymousClassTest.java              | 2 +-
 src/test/java/org/apache/bcel/generic/AnnotationGenTest.java            | 2 +-
 src/test/java/org/apache/bcel/generic/ArrayTypeTest.java                | 2 +-
 src/test/java/org/apache/bcel/generic/BREAKPOINTTest.java               | 2 +-
 src/test/java/org/apache/bcel/generic/BasicTypeTest.java                | 2 +-
 src/test/java/org/apache/bcel/generic/BranchHandleTest.java             | 2 +-
 src/test/java/org/apache/bcel/generic/ClassGenTest.java                 | 2 +-
 src/test/java/org/apache/bcel/generic/D2FTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/D2ITest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/D2LTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/DADDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/DDIVTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/DMULTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/DNEGTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/DREMTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/DSUBTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/F2DTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/F2ITest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/F2LTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/FADDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FDIVTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FMULTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FNEGTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FREMTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FSUBTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/FieldAnnotationsTest.java         | 2 +-
 src/test/java/org/apache/bcel/generic/FieldGenTest.java                 | 2 +-
 src/test/java/org/apache/bcel/generic/GETFIELDTest.java                 | 2 +-
 .../java/org/apache/bcel/generic/GeneratingAnnotatedClassesTest.java    | 2 +-
 src/test/java/org/apache/bcel/generic/I2BTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/I2CTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/I2DTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/I2FTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/I2LTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/I2STest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/IADDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/IANDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/IDIVTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/IMPDEP1Test.java                  | 2 +-
 src/test/java/org/apache/bcel/generic/IMPDEP2Test.java                  | 2 +-
 src/test/java/org/apache/bcel/generic/IMULTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/INEGTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/IORTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/IREMTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/ISHLTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/ISHRTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/ISUBTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/IXORTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/InstructionFactoryTest.java       | 2 +-
 src/test/java/org/apache/bcel/generic/InstructionHandleTest.java        | 2 +-
 src/test/java/org/apache/bcel/generic/JdkGenericDumpTest.java           | 2 +-
 src/test/java/org/apache/bcel/generic/JiraBcel362Test.java              | 2 +-
 src/test/java/org/apache/bcel/generic/L2DTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/L2FTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/L2ITest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/LADDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LANDTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LCMPTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LDIVTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LMULTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LNEGTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LORTest.java                      | 2 +-
 src/test/java/org/apache/bcel/generic/LREMTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LSHLTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LSHRTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LSUBTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/LXORTest.java                     | 2 +-
 src/test/java/org/apache/bcel/generic/MethodGenTest.java                | 2 +-
 src/test/java/org/apache/bcel/generic/ObjectTypeTest.java               | 2 +-
 src/test/java/org/apache/bcel/generic/PUTFIELDTest.java                 | 2 +-
 src/test/java/org/apache/bcel/generic/PUTSTATICTest.java                | 2 +-
 src/test/java/org/apache/bcel/generic/TypeTest.java                     | 2 +-
 src/test/java/org/apache/bcel/util/BCELifierTest.java                   | 2 +-
 src/test/java/org/apache/bcel/util/Class2HTMLTest.java                  | 2 +-
 src/test/java/org/apache/bcel/util/ClassPathRepositoryTest.java         | 2 +-
 src/test/java/org/apache/bcel/util/ClassPathTest.java                   | 2 +-
 src/test/java/org/apache/bcel/util/InstructionFinderTest.java           | 2 +-
 src/test/java/org/apache/bcel/util/LruCacheClassPathRepositoryTest.java | 2 +-
 src/test/java/org/apache/bcel/util/ModularRuntimeImageTest.java         | 2 +-
 src/test/java/org/apache/bcel/verifier/JiraBcel291Test.java             | 2 +-
 src/test/java/org/apache/bcel/verifier/JiraBcel369Test.java             | 2 +-
 src/test/java/org/apache/bcel/verifier/JiraBcel370Test.java             | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierArrayAccessTest.java     | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierInvokeTest.java          | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierMainTest.java            | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierReturnTest.java          | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierTest.java                | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifierThrowTest.java           | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifyBadClassesTest.java        | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifyJavaHomesTest.java         | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifyJavaMathTest.java          | 2 +-
 src/test/java/org/apache/bcel/verifier/VerifyJavaUtilTest.java          | 2 +-
 src/test/java/org/apache/bcel/verifier/statics/Pass2VerifierTest.java   | 2 +-
 .../org/apache/bcel/verifier/structurals/InstConstraintVisitorTest.java | 2 +-
 .../apache/bcel/verifier/structurals/UninitializedObjectTypeTest.java   | 2 +-
 122 files changed, 122 insertions(+), 122 deletions(-)

diff --git a/src/test/java/org/apache/bcel/AnnotationAccessFlagTest.java 
b/src/test/java/org/apache/bcel/AnnotationAccessFlagTest.java
index 2d816341..bddaf755 100644
--- a/src/test/java/org/apache/bcel/AnnotationAccessFlagTest.java
+++ b/src/test/java/org/apache/bcel/AnnotationAccessFlagTest.java
@@ -25,7 +25,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.apache.bcel.classfile.JavaClass;
 import org.junit.jupiter.api.Test;
 
-public class AnnotationAccessFlagTest extends AbstractTest {
+class AnnotationAccessFlagTest extends AbstractTest {
     /**
      * If you write an annotation and compile it, the class file generated 
should be marked as an annotation type - which is
      * detectable through BCEL.
diff --git a/src/test/java/org/apache/bcel/AnnotationDefaultAttributeTest.java 
b/src/test/java/org/apache/bcel/AnnotationDefaultAttributeTest.java
index bccabc67..80ae6ffc 100644
--- a/src/test/java/org/apache/bcel/AnnotationDefaultAttributeTest.java
+++ b/src/test/java/org/apache/bcel/AnnotationDefaultAttributeTest.java
@@ -28,7 +28,7 @@ import org.apache.bcel.classfile.Method;
 import org.apache.bcel.classfile.SimpleElementValue;
 import org.junit.jupiter.api.Test;
 
-public class AnnotationDefaultAttributeTest extends AbstractTest {
+class AnnotationDefaultAttributeTest extends AbstractTest {
     /**
      * For values in an annotation that have default values, we should be able 
to query the AnnotationDefault attribute
      * against the method to discover the default value that was originally 
declared.
diff --git a/src/test/java/org/apache/bcel/AnnotationEntryTest.java 
b/src/test/java/org/apache/bcel/AnnotationEntryTest.java
index 7510f5e0..2afda597 100644
--- a/src/test/java/org/apache/bcel/AnnotationEntryTest.java
+++ b/src/test/java/org/apache/bcel/AnnotationEntryTest.java
@@ -34,7 +34,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link AnnotationEntry}.
  */
-public class AnnotationEntryTest {
+class AnnotationEntryTest {
 
     @Test
     void testAddElementNameValuePair() {
diff --git a/src/test/java/org/apache/bcel/AnonymousClassTest.java 
b/src/test/java/org/apache/bcel/AnonymousClassTest.java
index 916a13f5..f6ac0c82 100644
--- a/src/test/java/org/apache/bcel/AnonymousClassTest.java
+++ b/src/test/java/org/apache/bcel/AnonymousClassTest.java
@@ -30,7 +30,7 @@ import org.apache.bcel.classfile.JavaClass;
 import org.apache.bcel.data.EmptyClass;
 import org.junit.jupiter.api.Test;
 
-public class AnonymousClassTest extends AbstractTest {
+class AnonymousClassTest extends AbstractTest {
     @Test
     void testAnonymousInnerClassIsAnonymous() throws ClassNotFoundException {
         final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + 
".data.AnonymousClassTest$1");
diff --git a/src/test/java/org/apache/bcel/ConstTest.java 
b/src/test/java/org/apache/bcel/ConstTest.java
index ecff2bba..dbbe71c8 100644
--- a/src/test/java/org/apache/bcel/ConstTest.java
+++ b/src/test/java/org/apache/bcel/ConstTest.java
@@ -26,7 +26,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link Const}.
  */
-public class ConstTest {
+class ConstTest {
 
     @Test
     void testJava22() throws Exception {
diff --git a/src/test/java/org/apache/bcel/CounterVisitorTest.java 
b/src/test/java/org/apache/bcel/CounterVisitorTest.java
index 095710ac..7bfd7df7 100644
--- a/src/test/java/org/apache/bcel/CounterVisitorTest.java
+++ b/src/test/java/org/apache/bcel/CounterVisitorTest.java
@@ -24,7 +24,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.apache.bcel.classfile.JavaClass;
 import org.junit.jupiter.api.Test;
 
-public class CounterVisitorTest extends AbstractCounterVisitorTest {
+class CounterVisitorTest extends AbstractCounterVisitorTest {
     @Override
     protected JavaClass getTestClass() throws ClassNotFoundException {
         return getTestJavaClass(PACKAGE_BASE_NAME + ".data.MarkedType");
diff --git a/src/test/java/org/apache/bcel/ElementValueGenTest.java 
b/src/test/java/org/apache/bcel/ElementValueGenTest.java
index 1bfd2e42..1c2c3273 100644
--- a/src/test/java/org/apache/bcel/ElementValueGenTest.java
+++ b/src/test/java/org/apache/bcel/ElementValueGenTest.java
@@ -37,7 +37,7 @@ import org.apache.bcel.generic.ObjectType;
 import org.apache.bcel.generic.SimpleElementValueGen;
 import org.junit.jupiter.api.Test;
 
-public class ElementValueGenTest extends AbstractTest {
+class ElementValueGenTest extends AbstractTest {
     private void checkSerialize(final ElementValueGen evgBefore, final 
ConstantPoolGen cpg) throws IOException {
         final String beforeValue = evgBefore.stringifyValue();
         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
diff --git a/src/test/java/org/apache/bcel/EnclosingMethodAttributeTest.java 
b/src/test/java/org/apache/bcel/EnclosingMethodAttributeTest.java
index 6ebd84ae..aee9c20a 100644
--- a/src/test/java/org/apache/bcel/EnclosingMethodAttributeTest.java
+++ b/src/test/java/org/apache/bcel/EnclosingMethodAttributeTest.java
@@ -32,7 +32,7 @@ import org.apache.bcel.classfile.JavaClass;
 import org.apache.bcel.util.SyntheticRepository;
 import org.junit.jupiter.api.Test;
 
-public class EnclosingMethodAttributeTest extends AbstractTest {
+class EnclosingMethodAttributeTest extends AbstractTest {
 
     /**
      * Check that we can save and load the attribute correctly.
diff --git a/src/test/java/org/apache/bcel/EnumAccessFlagTest.java 
b/src/test/java/org/apache/bcel/EnumAccessFlagTest.java
index 43352c34..2304e5ae 100644
--- a/src/test/java/org/apache/bcel/EnumAccessFlagTest.java
+++ b/src/test/java/org/apache/bcel/EnumAccessFlagTest.java
@@ -25,7 +25,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.apache.bcel.classfile.JavaClass;
 import org.junit.jupiter.api.Test;
 
-public class EnumAccessFlagTest extends AbstractTest {
+class EnumAccessFlagTest extends AbstractTest {
     /**
      * An enumerated type, once compiled, should result in a class file that 
is marked such that we can determine from the
      * access flags (through BCEL) that it was originally an enum type 
declaration.
diff --git a/src/test/java/org/apache/bcel/HandleTest.java 
b/src/test/java/org/apache/bcel/HandleTest.java
index 1ccb121a..a5b42d0a 100644
--- a/src/test/java/org/apache/bcel/HandleTest.java
+++ b/src/test/java/org/apache/bcel/HandleTest.java
@@ -30,7 +30,7 @@ import org.junit.jupiter.api.Test;
  * Test for https://issues.apache.org/jira/browse/BCEL-267 "Race conditions on 
static fields in BranchHandle and
  * InstructionHandle".
  */
-public class HandleTest {
+class HandleTest {
 
     static Throwable exception;
     static final int MAXI = 100;
diff --git a/src/test/java/org/apache/bcel/InstructionFinderTest.java 
b/src/test/java/org/apache/bcel/InstructionFinderTest.java
index 20c05b82..0558cac9 100644
--- a/src/test/java/org/apache/bcel/InstructionFinderTest.java
+++ b/src/test/java/org/apache/bcel/InstructionFinderTest.java
@@ -29,7 +29,7 @@ import org.apache.bcel.generic.InstructionList;
 import org.apache.bcel.util.InstructionFinder;
 import org.junit.jupiter.api.Test;
 
-public class InstructionFinderTest extends AbstractTest {
+class InstructionFinderTest extends AbstractTest {
     @Test
     void testSearchAll() throws Exception {
         final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + 
".util.InstructionFinder");
diff --git a/src/test/java/org/apache/bcel/LocalVariableTypeTableTest.java 
b/src/test/java/org/apache/bcel/LocalVariableTypeTableTest.java
index 45a55c28..cf9b2c18 100644
--- a/src/test/java/org/apache/bcel/LocalVariableTypeTableTest.java
+++ b/src/test/java/org/apache/bcel/LocalVariableTypeTableTest.java
@@ -40,7 +40,7 @@ import org.apache.bcel.generic.MethodGen;
 import org.apache.bcel.generic.Type;
 import org.junit.jupiter.api.Test;
 
-public class LocalVariableTypeTableTest extends AbstractTest {
+class LocalVariableTypeTableTest extends AbstractTest {
 
     public class TestClassLoader extends ClassLoader {
 
diff --git a/src/test/java/org/apache/bcel/OssFuzzTest.java 
b/src/test/java/org/apache/bcel/OssFuzzTest.java
index a0e5f0b3..db3c4932 100644
--- a/src/test/java/org/apache/bcel/OssFuzzTest.java
+++ b/src/test/java/org/apache/bcel/OssFuzzTest.java
@@ -27,7 +27,7 @@ import org.apache.bcel.classfile.ClassFormatException;
 import org.apache.bcel.classfile.ClassParser;
 import org.junit.jupiter.api.Test;
 
-public class OssFuzzTest {
+class OssFuzzTest {
 
     @Test
     void testIssue51980() throws Exception {
diff --git a/src/test/java/org/apache/bcel/PLSETest.java 
b/src/test/java/org/apache/bcel/PLSETest.java
index 6d5cb5f7..756efcc0 100644
--- a/src/test/java/org/apache/bcel/PLSETest.java
+++ b/src/test/java/org/apache/bcel/PLSETest.java
@@ -44,7 +44,7 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-public class PLSETest extends AbstractTest {
+class PLSETest extends AbstractTest {
     /**
      * BCEL-208: A couple of methods in MethodGen.java need to test for an 
empty instruction list.
      */
diff --git a/src/test/java/org/apache/bcel/classfile/CodeExceptionTest.java 
b/src/test/java/org/apache/bcel/classfile/CodeExceptionTest.java
index 4762e80c..442cb686 100644
--- a/src/test/java/org/apache/bcel/classfile/CodeExceptionTest.java
+++ b/src/test/java/org/apache/bcel/classfile/CodeExceptionTest.java
@@ -21,7 +21,7 @@ package org.apache.bcel.classfile;
 import org.apache.bcel.Constants;
 import org.junit.jupiter.api.Test;
 
-public class CodeExceptionTest {
+class CodeExceptionTest {
 
     /**
      * Tests that we do not break binary compatibility with BCEL-330.
diff --git 
a/src/test/java/org/apache/bcel/classfile/ConstantPoolModuleToStringTest.java 
b/src/test/java/org/apache/bcel/classfile/ConstantPoolModuleToStringTest.java
index b30f703f..9e425e9d 100644
--- 
a/src/test/java/org/apache/bcel/classfile/ConstantPoolModuleToStringTest.java
+++ 
b/src/test/java/org/apache/bcel/classfile/ConstantPoolModuleToStringTest.java
@@ -41,7 +41,7 @@ import org.junit.jupiter.params.provider.ValueSource;
 /**
  * Tests {@code module-info.class} files.
  */
-public class ConstantPoolModuleToStringTest {
+class ConstantPoolModuleToStringTest {
 
     static class ToStringVisitor extends EmptyVisitor {
 
diff --git a/src/test/java/org/apache/bcel/classfile/ConstantPoolTest.java 
b/src/test/java/org/apache/bcel/classfile/ConstantPoolTest.java
index 587cae4a..bd484941 100644
--- a/src/test/java/org/apache/bcel/classfile/ConstantPoolTest.java
+++ b/src/test/java/org/apache/bcel/classfile/ConstantPoolTest.java
@@ -43,7 +43,7 @@ final class ClassWithLongConstantPoolItem {
     long l = 42; // here is the key; we need a double constant value
 }
 
-public class ConstantPoolTest extends AbstractTest {
+class ConstantPoolTest extends AbstractTest {
 
     private static InstructionHandle[] getInstructionHandles(final JavaClass 
clazz, final ConstantPoolGen cp, final Method method) {
         final MethodGen methodGen = new MethodGen(method, 
clazz.getClassName(), cp);
diff --git a/src/test/java/org/apache/bcel/classfile/ConstantTest.java 
b/src/test/java/org/apache/bcel/classfile/ConstantTest.java
index 3922cd16..8473891f 100644
--- a/src/test/java/org/apache/bcel/classfile/ConstantTest.java
+++ b/src/test/java/org/apache/bcel/classfile/ConstantTest.java
@@ -27,7 +27,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link Constant}.
  */
-public class ConstantTest {
+class ConstantTest {
 
     @Test
     void testBCELComparator() throws Exception {
diff --git a/src/test/java/org/apache/bcel/classfile/FieldTest.java 
b/src/test/java/org/apache/bcel/classfile/FieldTest.java
index 757d3535..dd298230 100644
--- a/src/test/java/org/apache/bcel/classfile/FieldTest.java
+++ b/src/test/java/org/apache/bcel/classfile/FieldTest.java
@@ -27,7 +27,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link Field}.
  */
-public class FieldTest {
+class FieldTest {
 
     @Test
     void testBCELComparator() throws Exception {
diff --git 
a/src/test/java/org/apache/bcel/classfile/InvalidMethodSigantureTest.java 
b/src/test/java/org/apache/bcel/classfile/InvalidMethodSigantureTest.java
index 3c09d0cd..5cb44ff5 100644
--- a/src/test/java/org/apache/bcel/classfile/InvalidMethodSigantureTest.java
+++ b/src/test/java/org/apache/bcel/classfile/InvalidMethodSigantureTest.java
@@ -50,7 +50,7 @@ final class test$method name with () in it$1 extends 
kotlin.jvm.internal.Lambda
   static {};
  * </pre>
  */
-public class InvalidMethodSigantureTest {
+class InvalidMethodSigantureTest {
 
     final class TestVisitor extends org.apache.bcel.classfile.EmptyVisitor {
         @Override
diff --git a/src/test/java/org/apache/bcel/classfile/JDKClassDumpTest.java 
b/src/test/java/org/apache/bcel/classfile/JDKClassDumpTest.java
index 22c9377a..e8bbecf2 100644
--- a/src/test/java/org/apache/bcel/classfile/JDKClassDumpTest.java
+++ b/src/test/java/org/apache/bcel/classfile/JDKClassDumpTest.java
@@ -39,7 +39,7 @@ import org.junit.jupiter.params.provider.MethodSource;
 /**
  * Test that dump() methods work on the JDK classes
  */
-public class JDKClassDumpTest {
+class JDKClassDumpTest {
 
     private void compare(final JavaClass jc, final InputStream inputStream, 
final String name) throws Exception {
         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
diff --git a/src/test/java/org/apache/bcel/classfile/Jira368Test.java 
b/src/test/java/org/apache/bcel/classfile/Jira368Test.java
index c710dabd..ae0ad546 100644
--- a/src/test/java/org/apache/bcel/classfile/Jira368Test.java
+++ b/src/test/java/org/apache/bcel/classfile/Jira368Test.java
@@ -29,7 +29,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests BCEL-368.
  */
-public class Jira368Test {
+class Jira368Test {
 
     private JavaClass parseJavaClass() throws IOException {
         return new 
ClassParser("src/test/resources/jira368/Jira368.class").parse();
diff --git a/src/test/java/org/apache/bcel/classfile/LocalVariableTest.java 
b/src/test/java/org/apache/bcel/classfile/LocalVariableTest.java
index b973edc9..89a81464 100644
--- a/src/test/java/org/apache/bcel/classfile/LocalVariableTest.java
+++ b/src/test/java/org/apache/bcel/classfile/LocalVariableTest.java
@@ -21,7 +21,7 @@ package org.apache.bcel.classfile;
 import org.apache.bcel.Constants;
 import org.junit.jupiter.api.Test;
 
-public class LocalVariableTest {
+class LocalVariableTest {
 
     /**
      * Tests that we do not break binary compatibility with BCEL-330.
diff --git a/src/test/java/org/apache/bcel/classfile/RecordTest.java 
b/src/test/java/org/apache/bcel/classfile/RecordTest.java
index 5d78ec21..9588e4e7 100644
--- a/src/test/java/org/apache/bcel/classfile/RecordTest.java
+++ b/src/test/java/org/apache/bcel/classfile/RecordTest.java
@@ -31,7 +31,7 @@ import org.apache.bcel.util.SyntheticRepository;
 import org.apache.bcel.visitors.CountingVisitor;
 import org.junit.jupiter.api.Test;
 
-public class RecordTest extends AbstractTest {
+class RecordTest extends AbstractTest {
 
     /**
      * Check that we can copy a attribute correctly.
diff --git a/src/test/java/org/apache/bcel/classfile/SignatureTest.java 
b/src/test/java/org/apache/bcel/classfile/SignatureTest.java
index a7f61811..94697134 100644
--- a/src/test/java/org/apache/bcel/classfile/SignatureTest.java
+++ b/src/test/java/org/apache/bcel/classfile/SignatureTest.java
@@ -33,7 +33,7 @@ import org.junit.jupiter.api.Test;
 /**
  *  Tests signatures, including primitives, generics, and bad signatures for 
exceptions.
  */
-public class SignatureTest extends AbstractTest {
+class SignatureTest extends AbstractTest {
 
     @Test
     void testBadSignatures() throws Exception {
diff --git a/src/test/java/org/apache/bcel/classfile/StackMapTest.java 
b/src/test/java/org/apache/bcel/classfile/StackMapTest.java
index c6b301d4..78825445 100644
--- a/src/test/java/org/apache/bcel/classfile/StackMapTest.java
+++ b/src/test/java/org/apache/bcel/classfile/StackMapTest.java
@@ -26,7 +26,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link StackMap}.
  */
-public class StackMapTest {
+class StackMapTest {
 
     @Test
     void testSetStackMap() {
diff --git a/src/test/java/org/apache/bcel/classfile/UtilityTest.java 
b/src/test/java/org/apache/bcel/classfile/UtilityTest.java
index 58e5a558..769c75c1 100644
--- a/src/test/java/org/apache/bcel/classfile/UtilityTest.java
+++ b/src/test/java/org/apache/bcel/classfile/UtilityTest.java
@@ -31,7 +31,7 @@ import org.apache.bcel.Const;
 import org.apache.bcel.Repository;
 import org.junit.jupiter.api.Test;
 
-public class UtilityTest {
+class UtilityTest {
 
     @Test
     void testClearBit() {
diff --git a/src/test/java/org/apache/bcel/data/AnonymousClassTest.java 
b/src/test/java/org/apache/bcel/data/AnonymousClassTest.java
index db58265d..91cd2e74 100644
--- a/src/test/java/org/apache/bcel/data/AnonymousClassTest.java
+++ b/src/test/java/org/apache/bcel/data/AnonymousClassTest.java
@@ -19,7 +19,7 @@
 
 package org.apache.bcel.data;
 
-public class AnonymousClassTest {
+class AnonymousClassTest {
     final class X {
     }
 
diff --git a/src/test/java/org/apache/bcel/generic/AnnotationGenTest.java 
b/src/test/java/org/apache/bcel/generic/AnnotationGenTest.java
index 96bc66d4..eb60796e 100644
--- a/src/test/java/org/apache/bcel/generic/AnnotationGenTest.java
+++ b/src/test/java/org/apache/bcel/generic/AnnotationGenTest.java
@@ -39,7 +39,7 @@ import org.apache.bcel.classfile.RuntimeInvisibleAnnotations;
 import org.apache.bcel.classfile.RuntimeVisibleAnnotations;
 import org.junit.jupiter.api.Test;
 
-public class AnnotationGenTest extends AbstractTest {
+class AnnotationGenTest extends AbstractTest {
     private void checkSerialize(final AnnotationEntryGen a, final 
ConstantPoolGen cpg) throws IOException {
         final String beforeName = a.getTypeName();
         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
diff --git a/src/test/java/org/apache/bcel/generic/ArrayTypeTest.java 
b/src/test/java/org/apache/bcel/generic/ArrayTypeTest.java
index a1f40ceb..4097dbae 100644
--- a/src/test/java/org/apache/bcel/generic/ArrayTypeTest.java
+++ b/src/test/java/org/apache/bcel/generic/ArrayTypeTest.java
@@ -23,7 +23,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class ArrayTypeTest {
+class ArrayTypeTest {
 
     @Test
     void testGetBasicType() {
diff --git a/src/test/java/org/apache/bcel/generic/BREAKPOINTTest.java 
b/src/test/java/org/apache/bcel/generic/BREAKPOINTTest.java
index 966ab612..3142bc8c 100644
--- a/src/test/java/org/apache/bcel/generic/BREAKPOINTTest.java
+++ b/src/test/java/org/apache/bcel/generic/BREAKPOINTTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class BREAKPOINTTest {
+class BREAKPOINTTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/BasicTypeTest.java 
b/src/test/java/org/apache/bcel/generic/BasicTypeTest.java
index d56f96a9..3dad4e0e 100644
--- a/src/test/java/org/apache/bcel/generic/BasicTypeTest.java
+++ b/src/test/java/org/apache/bcel/generic/BasicTypeTest.java
@@ -24,7 +24,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.apache.bcel.Const;
 import org.junit.jupiter.api.Test;
 
-public class BasicTypeTest {
+class BasicTypeTest {
 
     @Test
     void testClassName() {
diff --git a/src/test/java/org/apache/bcel/generic/BranchHandleTest.java 
b/src/test/java/org/apache/bcel/generic/BranchHandleTest.java
index 7787f5d4..ecb64ae9 100644
--- a/src/test/java/org/apache/bcel/generic/BranchHandleTest.java
+++ b/src/test/java/org/apache/bcel/generic/BranchHandleTest.java
@@ -23,7 +23,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
 
-public class BranchHandleTest {
+class BranchHandleTest {
 
     @Test
     void testGetBHnull() {
diff --git a/src/test/java/org/apache/bcel/generic/ClassGenTest.java 
b/src/test/java/org/apache/bcel/generic/ClassGenTest.java
index 7f0da3ac..cbe2f144 100644
--- a/src/test/java/org/apache/bcel/generic/ClassGenTest.java
+++ b/src/test/java/org/apache/bcel/generic/ClassGenTest.java
@@ -27,7 +27,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link ClassGen}.
  */
-public class ClassGenTest {
+class ClassGenTest {
 
     @Test
     void testBCELComparator() throws Exception {
diff --git a/src/test/java/org/apache/bcel/generic/D2FTest.java 
b/src/test/java/org/apache/bcel/generic/D2FTest.java
index 19b18f56..c7219282 100644
--- a/src/test/java/org/apache/bcel/generic/D2FTest.java
+++ b/src/test/java/org/apache/bcel/generic/D2FTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class D2FTest {
+class D2FTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/D2ITest.java 
b/src/test/java/org/apache/bcel/generic/D2ITest.java
index d6f4802d..5847f3a6 100644
--- a/src/test/java/org/apache/bcel/generic/D2ITest.java
+++ b/src/test/java/org/apache/bcel/generic/D2ITest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class D2ITest {
+class D2ITest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/D2LTest.java 
b/src/test/java/org/apache/bcel/generic/D2LTest.java
index 4e0ac410..71509ee8 100644
--- a/src/test/java/org/apache/bcel/generic/D2LTest.java
+++ b/src/test/java/org/apache/bcel/generic/D2LTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class D2LTest {
+class D2LTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DADDTest.java 
b/src/test/java/org/apache/bcel/generic/DADDTest.java
index a3864253..8b6feb41 100644
--- a/src/test/java/org/apache/bcel/generic/DADDTest.java
+++ b/src/test/java/org/apache/bcel/generic/DADDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DADDTest {
+class DADDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DDIVTest.java 
b/src/test/java/org/apache/bcel/generic/DDIVTest.java
index 74c088b4..1ac22511 100644
--- a/src/test/java/org/apache/bcel/generic/DDIVTest.java
+++ b/src/test/java/org/apache/bcel/generic/DDIVTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DDIVTest {
+class DDIVTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DMULTest.java 
b/src/test/java/org/apache/bcel/generic/DMULTest.java
index 1051b1db..49d01b9b 100644
--- a/src/test/java/org/apache/bcel/generic/DMULTest.java
+++ b/src/test/java/org/apache/bcel/generic/DMULTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DMULTest {
+class DMULTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DNEGTest.java 
b/src/test/java/org/apache/bcel/generic/DNEGTest.java
index ca916ddf..63a54674 100644
--- a/src/test/java/org/apache/bcel/generic/DNEGTest.java
+++ b/src/test/java/org/apache/bcel/generic/DNEGTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DNEGTest {
+class DNEGTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DREMTest.java 
b/src/test/java/org/apache/bcel/generic/DREMTest.java
index fd178b9e..753fa515 100644
--- a/src/test/java/org/apache/bcel/generic/DREMTest.java
+++ b/src/test/java/org/apache/bcel/generic/DREMTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DREMTest {
+class DREMTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/DSUBTest.java 
b/src/test/java/org/apache/bcel/generic/DSUBTest.java
index 4769f76e..f53831cb 100644
--- a/src/test/java/org/apache/bcel/generic/DSUBTest.java
+++ b/src/test/java/org/apache/bcel/generic/DSUBTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class DSUBTest {
+class DSUBTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/F2DTest.java 
b/src/test/java/org/apache/bcel/generic/F2DTest.java
index 09e7d7de..3354926d 100644
--- a/src/test/java/org/apache/bcel/generic/F2DTest.java
+++ b/src/test/java/org/apache/bcel/generic/F2DTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class F2DTest {
+class F2DTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/F2ITest.java 
b/src/test/java/org/apache/bcel/generic/F2ITest.java
index 714085b1..6f95ce5f 100644
--- a/src/test/java/org/apache/bcel/generic/F2ITest.java
+++ b/src/test/java/org/apache/bcel/generic/F2ITest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class F2ITest {
+class F2ITest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/F2LTest.java 
b/src/test/java/org/apache/bcel/generic/F2LTest.java
index 1d64e45a..6e69c75d 100644
--- a/src/test/java/org/apache/bcel/generic/F2LTest.java
+++ b/src/test/java/org/apache/bcel/generic/F2LTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class F2LTest {
+class F2LTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FADDTest.java 
b/src/test/java/org/apache/bcel/generic/FADDTest.java
index 2b98947f..c9e0bfe3 100644
--- a/src/test/java/org/apache/bcel/generic/FADDTest.java
+++ b/src/test/java/org/apache/bcel/generic/FADDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FADDTest {
+class FADDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FDIVTest.java 
b/src/test/java/org/apache/bcel/generic/FDIVTest.java
index 6675c9ac..43b6e563 100644
--- a/src/test/java/org/apache/bcel/generic/FDIVTest.java
+++ b/src/test/java/org/apache/bcel/generic/FDIVTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FDIVTest {
+class FDIVTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FMULTest.java 
b/src/test/java/org/apache/bcel/generic/FMULTest.java
index 0151d582..bf28b538 100644
--- a/src/test/java/org/apache/bcel/generic/FMULTest.java
+++ b/src/test/java/org/apache/bcel/generic/FMULTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FMULTest {
+class FMULTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FNEGTest.java 
b/src/test/java/org/apache/bcel/generic/FNEGTest.java
index 3fbb16b4..cf122a6b 100644
--- a/src/test/java/org/apache/bcel/generic/FNEGTest.java
+++ b/src/test/java/org/apache/bcel/generic/FNEGTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FNEGTest {
+class FNEGTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FREMTest.java 
b/src/test/java/org/apache/bcel/generic/FREMTest.java
index 8d2168d3..f119c8e7 100644
--- a/src/test/java/org/apache/bcel/generic/FREMTest.java
+++ b/src/test/java/org/apache/bcel/generic/FREMTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FREMTest {
+class FREMTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FSUBTest.java 
b/src/test/java/org/apache/bcel/generic/FSUBTest.java
index af87d280..eceaf075 100644
--- a/src/test/java/org/apache/bcel/generic/FSUBTest.java
+++ b/src/test/java/org/apache/bcel/generic/FSUBTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class FSUBTest {
+class FSUBTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/FieldAnnotationsTest.java 
b/src/test/java/org/apache/bcel/generic/FieldAnnotationsTest.java
index 65b3bc29..5a05c552 100644
--- a/src/test/java/org/apache/bcel/generic/FieldAnnotationsTest.java
+++ b/src/test/java/org/apache/bcel/generic/FieldAnnotationsTest.java
@@ -36,7 +36,7 @@ import org.apache.bcel.classfile.JavaClass;
 import org.apache.bcel.util.SyntheticRepository;
 import org.junit.jupiter.api.Test;
 
-public class FieldAnnotationsTest extends AbstractTest {
+class FieldAnnotationsTest extends AbstractTest {
     // helper methods
     public void checkAnnotatedField(final JavaClass clazz, final String 
fieldname, final String AnnotationEntryName, final String 
AnnotationEntryElementName,
         final String AnnotationEntryElementValue) {
diff --git a/src/test/java/org/apache/bcel/generic/FieldGenTest.java 
b/src/test/java/org/apache/bcel/generic/FieldGenTest.java
index ad496774..fe79b9f9 100644
--- a/src/test/java/org/apache/bcel/generic/FieldGenTest.java
+++ b/src/test/java/org/apache/bcel/generic/FieldGenTest.java
@@ -31,7 +31,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link FieldGen}.
  */
-public class FieldGenTest {
+class FieldGenTest {
 
     @Test
     @Disabled
diff --git a/src/test/java/org/apache/bcel/generic/GETFIELDTest.java 
b/src/test/java/org/apache/bcel/generic/GETFIELDTest.java
index a03155c8..b2560e13 100644
--- a/src/test/java/org/apache/bcel/generic/GETFIELDTest.java
+++ b/src/test/java/org/apache/bcel/generic/GETFIELDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class GETFIELDTest {
+class GETFIELDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git 
a/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTest.java 
b/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTest.java
index 25d1adda..895a2e57 100644
--- a/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTest.java
+++ b/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTest.java
@@ -61,7 +61,7 @@ import org.junit.jupiter.api.Test;
  * }
  * </pre>
  */
-public class GeneratingAnnotatedClassesTest extends AbstractTest {
+class GeneratingAnnotatedClassesTest extends AbstractTest {
     private void assertArrayElementValue(final int nExpectedArrayValues, final 
AnnotationEntry anno) {
         final ElementValuePair elementValuePair = 
anno.getElementValuePairs()[0];
         assertEquals("value", elementValuePair.getNameString());
diff --git a/src/test/java/org/apache/bcel/generic/I2BTest.java 
b/src/test/java/org/apache/bcel/generic/I2BTest.java
index 97729640..30d7bdee 100644
--- a/src/test/java/org/apache/bcel/generic/I2BTest.java
+++ b/src/test/java/org/apache/bcel/generic/I2BTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2BTest {
+class I2BTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/I2CTest.java 
b/src/test/java/org/apache/bcel/generic/I2CTest.java
index 1dd953ed..d66f289f 100644
--- a/src/test/java/org/apache/bcel/generic/I2CTest.java
+++ b/src/test/java/org/apache/bcel/generic/I2CTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2CTest {
+class I2CTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/I2DTest.java 
b/src/test/java/org/apache/bcel/generic/I2DTest.java
index 2bb171cf..aacd9d77 100644
--- a/src/test/java/org/apache/bcel/generic/I2DTest.java
+++ b/src/test/java/org/apache/bcel/generic/I2DTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2DTest {
+class I2DTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/I2FTest.java 
b/src/test/java/org/apache/bcel/generic/I2FTest.java
index 924403e9..f3cb2939 100644
--- a/src/test/java/org/apache/bcel/generic/I2FTest.java
+++ b/src/test/java/org/apache/bcel/generic/I2FTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2FTest {
+class I2FTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/I2LTest.java 
b/src/test/java/org/apache/bcel/generic/I2LTest.java
index 88fa2ad1..e0d6428e 100644
--- a/src/test/java/org/apache/bcel/generic/I2LTest.java
+++ b/src/test/java/org/apache/bcel/generic/I2LTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2LTest {
+class I2LTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/I2STest.java 
b/src/test/java/org/apache/bcel/generic/I2STest.java
index 217d0f2b..5a6b4337 100644
--- a/src/test/java/org/apache/bcel/generic/I2STest.java
+++ b/src/test/java/org/apache/bcel/generic/I2STest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class I2STest {
+class I2STest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IADDTest.java 
b/src/test/java/org/apache/bcel/generic/IADDTest.java
index d46d12ba..b8cfff09 100644
--- a/src/test/java/org/apache/bcel/generic/IADDTest.java
+++ b/src/test/java/org/apache/bcel/generic/IADDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IADDTest {
+class IADDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IANDTest.java 
b/src/test/java/org/apache/bcel/generic/IANDTest.java
index 7870afd2..0d0c2d82 100644
--- a/src/test/java/org/apache/bcel/generic/IANDTest.java
+++ b/src/test/java/org/apache/bcel/generic/IANDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IANDTest {
+class IANDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IDIVTest.java 
b/src/test/java/org/apache/bcel/generic/IDIVTest.java
index 5ecac6d6..6a9fb7d0 100644
--- a/src/test/java/org/apache/bcel/generic/IDIVTest.java
+++ b/src/test/java/org/apache/bcel/generic/IDIVTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IDIVTest {
+class IDIVTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IMPDEP1Test.java 
b/src/test/java/org/apache/bcel/generic/IMPDEP1Test.java
index 743d23f1..05f147ce 100644
--- a/src/test/java/org/apache/bcel/generic/IMPDEP1Test.java
+++ b/src/test/java/org/apache/bcel/generic/IMPDEP1Test.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IMPDEP1Test {
+class IMPDEP1Test {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IMPDEP2Test.java 
b/src/test/java/org/apache/bcel/generic/IMPDEP2Test.java
index 8f266bfb..882bc3a4 100644
--- a/src/test/java/org/apache/bcel/generic/IMPDEP2Test.java
+++ b/src/test/java/org/apache/bcel/generic/IMPDEP2Test.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IMPDEP2Test {
+class IMPDEP2Test {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IMULTest.java 
b/src/test/java/org/apache/bcel/generic/IMULTest.java
index fd207c65..aa2962ce 100644
--- a/src/test/java/org/apache/bcel/generic/IMULTest.java
+++ b/src/test/java/org/apache/bcel/generic/IMULTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IMULTest {
+class IMULTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/INEGTest.java 
b/src/test/java/org/apache/bcel/generic/INEGTest.java
index ed3ead4f..43432822 100644
--- a/src/test/java/org/apache/bcel/generic/INEGTest.java
+++ b/src/test/java/org/apache/bcel/generic/INEGTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class INEGTest {
+class INEGTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IORTest.java 
b/src/test/java/org/apache/bcel/generic/IORTest.java
index 6614a2ca..92367db2 100644
--- a/src/test/java/org/apache/bcel/generic/IORTest.java
+++ b/src/test/java/org/apache/bcel/generic/IORTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IORTest {
+class IORTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IREMTest.java 
b/src/test/java/org/apache/bcel/generic/IREMTest.java
index 15e99a12..0aba63e5 100644
--- a/src/test/java/org/apache/bcel/generic/IREMTest.java
+++ b/src/test/java/org/apache/bcel/generic/IREMTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IREMTest {
+class IREMTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/ISHLTest.java 
b/src/test/java/org/apache/bcel/generic/ISHLTest.java
index ef0f6842..75a30d74 100644
--- a/src/test/java/org/apache/bcel/generic/ISHLTest.java
+++ b/src/test/java/org/apache/bcel/generic/ISHLTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class ISHLTest {
+class ISHLTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/ISHRTest.java 
b/src/test/java/org/apache/bcel/generic/ISHRTest.java
index 4dcfe265..baf84f63 100644
--- a/src/test/java/org/apache/bcel/generic/ISHRTest.java
+++ b/src/test/java/org/apache/bcel/generic/ISHRTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class ISHRTest {
+class ISHRTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/ISUBTest.java 
b/src/test/java/org/apache/bcel/generic/ISUBTest.java
index ea7ef3f7..32338199 100644
--- a/src/test/java/org/apache/bcel/generic/ISUBTest.java
+++ b/src/test/java/org/apache/bcel/generic/ISUBTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class ISUBTest {
+class ISUBTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/IXORTest.java 
b/src/test/java/org/apache/bcel/generic/IXORTest.java
index 6c73c6c2..a7d60f2b 100644
--- a/src/test/java/org/apache/bcel/generic/IXORTest.java
+++ b/src/test/java/org/apache/bcel/generic/IXORTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class IXORTest {
+class IXORTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/InstructionFactoryTest.java 
b/src/test/java/org/apache/bcel/generic/InstructionFactoryTest.java
index efb35176..e3deceb0 100644
--- a/src/test/java/org/apache/bcel/generic/InstructionFactoryTest.java
+++ b/src/test/java/org/apache/bcel/generic/InstructionFactoryTest.java
@@ -34,7 +34,7 @@ import org.apache.bcel.Const;
 import org.apache.bcel.Repository;
 import org.junit.jupiter.api.Test;
 
-public class InstructionFactoryTest extends AbstractTest {
+class InstructionFactoryTest extends AbstractTest {
 
     @Test
     void testArrayLoad() throws Exception {
diff --git a/src/test/java/org/apache/bcel/generic/InstructionHandleTest.java 
b/src/test/java/org/apache/bcel/generic/InstructionHandleTest.java
index 65c90b2e..feaf5243 100644
--- a/src/test/java/org/apache/bcel/generic/InstructionHandleTest.java
+++ b/src/test/java/org/apache/bcel/generic/InstructionHandleTest.java
@@ -23,7 +23,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
 
-public class InstructionHandleTest {
+class InstructionHandleTest {
 
     // Test that setInstruction only allows Instructions that are not 
BranchInstructions
 
diff --git a/src/test/java/org/apache/bcel/generic/JdkGenericDumpTest.java 
b/src/test/java/org/apache/bcel/generic/JdkGenericDumpTest.java
index 4ef567b1..2f3dedc7 100644
--- a/src/test/java/org/apache/bcel/generic/JdkGenericDumpTest.java
+++ b/src/test/java/org/apache/bcel/generic/JdkGenericDumpTest.java
@@ -74,7 +74,7 @@ import org.junit.jupiter.params.provider.MethodSource;
  * <li>jdk-8.0.345.1-hotspot</li>
  * </ul>
  */
-public class JdkGenericDumpTest {
+class JdkGenericDumpTest {
 
     private static class ClassParserFilesVisitor extends 
SimpleFileVisitor<Path> {
 
diff --git a/src/test/java/org/apache/bcel/generic/JiraBcel362Test.java 
b/src/test/java/org/apache/bcel/generic/JiraBcel362Test.java
index a07c5f4a..4c96e05e 100644
--- a/src/test/java/org/apache/bcel/generic/JiraBcel362Test.java
+++ b/src/test/java/org/apache/bcel/generic/JiraBcel362Test.java
@@ -30,7 +30,7 @@ import org.junit.jupiter.api.Test;
  * Verify that a constant pool containing dynamic constants (condy) - in this 
case created by JaCoCo - can be read and
  * the corresponding constant is found after parsing.
  */
-public class JiraBcel362Test extends AbstractTest {
+class JiraBcel362Test extends AbstractTest {
 
     @Test
     void testProcessConstantPoolWithCondyEntry() throws ClassNotFoundException 
{
diff --git a/src/test/java/org/apache/bcel/generic/L2DTest.java 
b/src/test/java/org/apache/bcel/generic/L2DTest.java
index 112ba194..15a4474b 100644
--- a/src/test/java/org/apache/bcel/generic/L2DTest.java
+++ b/src/test/java/org/apache/bcel/generic/L2DTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class L2DTest {
+class L2DTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/L2FTest.java 
b/src/test/java/org/apache/bcel/generic/L2FTest.java
index 1e7afb38..0a1e89a2 100644
--- a/src/test/java/org/apache/bcel/generic/L2FTest.java
+++ b/src/test/java/org/apache/bcel/generic/L2FTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class L2FTest {
+class L2FTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/L2ITest.java 
b/src/test/java/org/apache/bcel/generic/L2ITest.java
index 4fa4d423..01125a17 100644
--- a/src/test/java/org/apache/bcel/generic/L2ITest.java
+++ b/src/test/java/org/apache/bcel/generic/L2ITest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class L2ITest {
+class L2ITest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LADDTest.java 
b/src/test/java/org/apache/bcel/generic/LADDTest.java
index b58661b5..4309f467 100644
--- a/src/test/java/org/apache/bcel/generic/LADDTest.java
+++ b/src/test/java/org/apache/bcel/generic/LADDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LADDTest {
+class LADDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LANDTest.java 
b/src/test/java/org/apache/bcel/generic/LANDTest.java
index ef6a5ad0..43f53bf8 100644
--- a/src/test/java/org/apache/bcel/generic/LANDTest.java
+++ b/src/test/java/org/apache/bcel/generic/LANDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LANDTest {
+class LANDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LCMPTest.java 
b/src/test/java/org/apache/bcel/generic/LCMPTest.java
index 56621de7..14ac1cd2 100644
--- a/src/test/java/org/apache/bcel/generic/LCMPTest.java
+++ b/src/test/java/org/apache/bcel/generic/LCMPTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LCMPTest {
+class LCMPTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LDIVTest.java 
b/src/test/java/org/apache/bcel/generic/LDIVTest.java
index 2da5ed3f..dcd7403e 100644
--- a/src/test/java/org/apache/bcel/generic/LDIVTest.java
+++ b/src/test/java/org/apache/bcel/generic/LDIVTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LDIVTest {
+class LDIVTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LMULTest.java 
b/src/test/java/org/apache/bcel/generic/LMULTest.java
index e842c9f1..ab7d37aa 100644
--- a/src/test/java/org/apache/bcel/generic/LMULTest.java
+++ b/src/test/java/org/apache/bcel/generic/LMULTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LMULTest {
+class LMULTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LNEGTest.java 
b/src/test/java/org/apache/bcel/generic/LNEGTest.java
index 9df79438..6a09e43b 100644
--- a/src/test/java/org/apache/bcel/generic/LNEGTest.java
+++ b/src/test/java/org/apache/bcel/generic/LNEGTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LNEGTest {
+class LNEGTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LORTest.java 
b/src/test/java/org/apache/bcel/generic/LORTest.java
index d646a466..fb31bd04 100644
--- a/src/test/java/org/apache/bcel/generic/LORTest.java
+++ b/src/test/java/org/apache/bcel/generic/LORTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LORTest {
+class LORTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LREMTest.java 
b/src/test/java/org/apache/bcel/generic/LREMTest.java
index 9ddbebc3..60a8dfb0 100644
--- a/src/test/java/org/apache/bcel/generic/LREMTest.java
+++ b/src/test/java/org/apache/bcel/generic/LREMTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LREMTest {
+class LREMTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LSHLTest.java 
b/src/test/java/org/apache/bcel/generic/LSHLTest.java
index 0ccea464..0461e44a 100644
--- a/src/test/java/org/apache/bcel/generic/LSHLTest.java
+++ b/src/test/java/org/apache/bcel/generic/LSHLTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LSHLTest {
+class LSHLTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LSHRTest.java 
b/src/test/java/org/apache/bcel/generic/LSHRTest.java
index d8766f9f..f842f9b0 100644
--- a/src/test/java/org/apache/bcel/generic/LSHRTest.java
+++ b/src/test/java/org/apache/bcel/generic/LSHRTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LSHRTest {
+class LSHRTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LSUBTest.java 
b/src/test/java/org/apache/bcel/generic/LSUBTest.java
index 390eb2b3..fee1e8fa 100644
--- a/src/test/java/org/apache/bcel/generic/LSUBTest.java
+++ b/src/test/java/org/apache/bcel/generic/LSUBTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LSUBTest {
+class LSUBTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/LXORTest.java 
b/src/test/java/org/apache/bcel/generic/LXORTest.java
index 12b3cc8a..6886cdb7 100644
--- a/src/test/java/org/apache/bcel/generic/LXORTest.java
+++ b/src/test/java/org/apache/bcel/generic/LXORTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class LXORTest {
+class LXORTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/MethodGenTest.java 
b/src/test/java/org/apache/bcel/generic/MethodGenTest.java
index daf3b9c5..27a84147 100644
--- a/src/test/java/org/apache/bcel/generic/MethodGenTest.java
+++ b/src/test/java/org/apache/bcel/generic/MethodGenTest.java
@@ -35,7 +35,7 @@ import org.apache.bcel.classfile.JavaClass;
 import org.apache.bcel.classfile.Method;
 import org.junit.jupiter.api.Test;
 
-public class MethodGenTest {
+class MethodGenTest {
 
     @interface A {
     }
diff --git a/src/test/java/org/apache/bcel/generic/ObjectTypeTest.java 
b/src/test/java/org/apache/bcel/generic/ObjectTypeTest.java
index 518df287..79c928b4 100644
--- a/src/test/java/org/apache/bcel/generic/ObjectTypeTest.java
+++ b/src/test/java/org/apache/bcel/generic/ObjectTypeTest.java
@@ -25,7 +25,7 @@ import java.math.BigDecimal;
 
 import org.junit.jupiter.api.Test;
 
-public class ObjectTypeTest {
+class ObjectTypeTest {
 
     @Test
     void testGetClassName() {
diff --git a/src/test/java/org/apache/bcel/generic/PUTFIELDTest.java 
b/src/test/java/org/apache/bcel/generic/PUTFIELDTest.java
index af362d30..e6534aab 100644
--- a/src/test/java/org/apache/bcel/generic/PUTFIELDTest.java
+++ b/src/test/java/org/apache/bcel/generic/PUTFIELDTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class PUTFIELDTest {
+class PUTFIELDTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/PUTSTATICTest.java 
b/src/test/java/org/apache/bcel/generic/PUTSTATICTest.java
index fd8b4a5c..ece73e3a 100644
--- a/src/test/java/org/apache/bcel/generic/PUTSTATICTest.java
+++ b/src/test/java/org/apache/bcel/generic/PUTSTATICTest.java
@@ -22,7 +22,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.api.Test;
 
-public class PUTSTATICTest {
+class PUTSTATICTest {
     @Test
     void testAccept() {
         final CountingVisitor countVisitor = new CountingVisitor();
diff --git a/src/test/java/org/apache/bcel/generic/TypeTest.java 
b/src/test/java/org/apache/bcel/generic/TypeTest.java
index 821ea145..3609cd2f 100644
--- a/src/test/java/org/apache/bcel/generic/TypeTest.java
+++ b/src/test/java/org/apache/bcel/generic/TypeTest.java
@@ -30,7 +30,7 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-public class TypeTest {
+class TypeTest {
     @Test
     void testBCEL243() {
         // expectedValue = "Ljava/util/Map<TX;Ljava/util/List<TY;>;>;";
diff --git a/src/test/java/org/apache/bcel/util/BCELifierTest.java 
b/src/test/java/org/apache/bcel/util/BCELifierTest.java
index a6491e0c..6766e4b9 100644
--- a/src/test/java/org/apache/bcel/util/BCELifierTest.java
+++ b/src/test/java/org/apache/bcel/util/BCELifierTest.java
@@ -42,7 +42,7 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-public class BCELifierTest extends AbstractTest {
+class BCELifierTest extends AbstractTest {
 
     private static final String EOL = System.lineSeparator();
     public static final String CLASSPATH = "." + File.pathSeparator + 
SystemProperties.getJavaClassPath();
diff --git a/src/test/java/org/apache/bcel/util/Class2HTMLTest.java 
b/src/test/java/org/apache/bcel/util/Class2HTMLTest.java
index 0aee2d8a..31938771 100644
--- a/src/test/java/org/apache/bcel/util/Class2HTMLTest.java
+++ b/src/test/java/org/apache/bcel/util/Class2HTMLTest.java
@@ -30,7 +30,7 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-public class Class2HTMLTest {
+class Class2HTMLTest {
 
     @ParameterizedTest
     @ValueSource(strings = {
diff --git a/src/test/java/org/apache/bcel/util/ClassPathRepositoryTest.java 
b/src/test/java/org/apache/bcel/util/ClassPathRepositoryTest.java
index 09ea837c..5240e11c 100644
--- a/src/test/java/org/apache/bcel/util/ClassPathRepositoryTest.java
+++ b/src/test/java/org/apache/bcel/util/ClassPathRepositoryTest.java
@@ -35,7 +35,7 @@ import org.junit.jupiter.api.Test;
  * <p>
  * Without memory scarcity, these classes behave in the same manner.
  */
-public class ClassPathRepositoryTest {
+class ClassPathRepositoryTest {
 
     @Test
     void testClassPath() throws IOException {
diff --git a/src/test/java/org/apache/bcel/util/ClassPathTest.java 
b/src/test/java/org/apache/bcel/util/ClassPathTest.java
index ed5331ff..dfcf497a 100644
--- a/src/test/java/org/apache/bcel/util/ClassPathTest.java
+++ b/src/test/java/org/apache/bcel/util/ClassPathTest.java
@@ -27,7 +27,7 @@ import java.io.InputStream;
 import org.apache.bcel.AbstractTest;
 import org.junit.jupiter.api.Test;
 
-public class ClassPathTest extends AbstractTest {
+class ClassPathTest extends AbstractTest {
 
     @Test
     void testClose() throws IOException {
diff --git a/src/test/java/org/apache/bcel/util/InstructionFinderTest.java 
b/src/test/java/org/apache/bcel/util/InstructionFinderTest.java
index adb3c59e..cd2313bc 100644
--- a/src/test/java/org/apache/bcel/util/InstructionFinderTest.java
+++ b/src/test/java/org/apache/bcel/util/InstructionFinderTest.java
@@ -31,7 +31,7 @@ import org.apache.bcel.generic.InstructionHandle;
 import org.apache.bcel.generic.InstructionList;
 import org.junit.jupiter.api.Test;
 
-public class InstructionFinderTest extends AbstractTest {
+class InstructionFinderTest extends AbstractTest {
 
     @Test
     void testSearch() {
diff --git 
a/src/test/java/org/apache/bcel/util/LruCacheClassPathRepositoryTest.java 
b/src/test/java/org/apache/bcel/util/LruCacheClassPathRepositoryTest.java
index e9dab3bd..1fc15e60 100644
--- a/src/test/java/org/apache/bcel/util/LruCacheClassPathRepositoryTest.java
+++ b/src/test/java/org/apache/bcel/util/LruCacheClassPathRepositoryTest.java
@@ -31,7 +31,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link LruCacheClassPathRepository}.
  */
-public class LruCacheClassPathRepositoryTest {
+class LruCacheClassPathRepositoryTest {
 
     @Test
     void testCacheEviction() throws ClassNotFoundException, IOException {
diff --git a/src/test/java/org/apache/bcel/util/ModularRuntimeImageTest.java 
b/src/test/java/org/apache/bcel/util/ModularRuntimeImageTest.java
index f7b57d94..9b4fdfea 100644
--- a/src/test/java/org/apache/bcel/util/ModularRuntimeImageTest.java
+++ b/src/test/java/org/apache/bcel/util/ModularRuntimeImageTest.java
@@ -36,7 +36,7 @@ import org.junit.jupiter.params.provider.MethodSource;
 /**
  * Tests {@link ModularRuntimeImage}.
  */
-public class ModularRuntimeImageTest {
+class ModularRuntimeImageTest {
 
     @BeforeAll
     public static void before() {
diff --git a/src/test/java/org/apache/bcel/verifier/JiraBcel291Test.java 
b/src/test/java/org/apache/bcel/verifier/JiraBcel291Test.java
index cd01f210..4b084adc 100644
--- a/src/test/java/org/apache/bcel/verifier/JiraBcel291Test.java
+++ b/src/test/java/org/apache/bcel/verifier/JiraBcel291Test.java
@@ -23,7 +23,7 @@ import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 @Disabled
-public class JiraBcel291Test {
+class JiraBcel291Test {
 
     @Test
     void test() throws ClassNotFoundException {
diff --git a/src/test/java/org/apache/bcel/verifier/JiraBcel369Test.java 
b/src/test/java/org/apache/bcel/verifier/JiraBcel369Test.java
index b5ab34eb..2e99eb51 100644
--- a/src/test/java/org/apache/bcel/verifier/JiraBcel369Test.java
+++ b/src/test/java/org/apache/bcel/verifier/JiraBcel369Test.java
@@ -26,7 +26,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests BCEL-369.
  */
-public class JiraBcel369Test extends AbstractTest {
+class JiraBcel369Test extends AbstractTest {
 
     @Test
     void testCompileAndVerify() throws ClassNotFoundException {
diff --git a/src/test/java/org/apache/bcel/verifier/JiraBcel370Test.java 
b/src/test/java/org/apache/bcel/verifier/JiraBcel370Test.java
index 39541a1d..18299ff3 100644
--- a/src/test/java/org/apache/bcel/verifier/JiraBcel370Test.java
+++ b/src/test/java/org/apache/bcel/verifier/JiraBcel370Test.java
@@ -37,7 +37,7 @@ import org.junit.jupiter.params.provider.ValueSource;
 /**
  * Tests BCEL-370.
  */
-public class JiraBcel370Test extends AbstractTest {
+class JiraBcel370Test extends AbstractTest {
     @ParameterizedTest
     @ValueSource(strings = {
     // @formatter:off
diff --git 
a/src/test/java/org/apache/bcel/verifier/VerifierArrayAccessTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierArrayAccessTest.java
index c395e430..fef2d015 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierArrayAccessTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierArrayAccessTest.java
@@ -32,7 +32,7 @@ import 
org.apache.bcel.verifier.tests.TestArrayAccess04UnknownCreator;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-public class VerifierArrayAccessTest extends AbstractVerifierTest {
+class VerifierArrayAccessTest extends AbstractVerifierTest {
 
     @Test
     void testInvalidArrayAccess() throws IOException, ClassNotFoundException {
diff --git a/src/test/java/org/apache/bcel/verifier/VerifierInvokeTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierInvokeTest.java
index 7b907718..aab220ab 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierInvokeTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierInvokeTest.java
@@ -21,7 +21,7 @@ package org.apache.bcel.verifier;
 
 import org.junit.jupiter.api.Test;
 
-public class VerifierInvokeTest extends AbstractVerifierTest {
+class VerifierInvokeTest extends AbstractVerifierTest {
 
     @Test
     void testLegalInvokeInterface() throws ClassNotFoundException {
diff --git a/src/test/java/org/apache/bcel/verifier/VerifierMainTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierMainTest.java
index bde615d9..16e22dbd 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierMainTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierMainTest.java
@@ -42,7 +42,7 @@ import org.apache.commons.lang3.SystemProperties;
 import org.eclipse.jdt.internal.compiler.batch.Main;
 import org.junit.jupiter.api.Test;
 
-public class VerifierMainTest extends AbstractTest {
+class VerifierMainTest extends AbstractTest {
 
     @Test
     void testSWAP() throws Exception {
diff --git a/src/test/java/org/apache/bcel/verifier/VerifierReturnTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierReturnTest.java
index 7f66c9fe..7450247a 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierReturnTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierReturnTest.java
@@ -33,7 +33,7 @@ import 
org.apache.bcel.verifier.tests.TestReturn03UnknownCreator;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-public class VerifierReturnTest extends AbstractVerifierTest {
+class VerifierReturnTest extends AbstractVerifierTest {
 
     @Test
     void testInvalidReturn() throws IOException, ClassNotFoundException {
diff --git a/src/test/java/org/apache/bcel/verifier/VerifierTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierTest.java
index 7cacac19..0208b37a 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierTest.java
@@ -46,7 +46,7 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.DisabledForJreRange;
 import org.junit.jupiter.api.condition.JRE;
 
-public class VerifierTest {
+class VerifierTest {
 
     private static File getJarFile(final Class<?> clazz) throws 
URISyntaxException {
         return new 
File(clazz.getProtectionDomain().getCodeSource().getLocation().toURI());
diff --git a/src/test/java/org/apache/bcel/verifier/VerifierThrowTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifierThrowTest.java
index af540b5d..921aa19e 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifierThrowTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifierThrowTest.java
@@ -24,7 +24,7 @@ import java.io.IOException;
 import org.apache.bcel.verifier.tests.TestThrow01Creator;
 import org.junit.jupiter.api.Test;
 
-public class VerifierThrowTest extends AbstractVerifierTest {
+class VerifierThrowTest extends AbstractVerifierTest {
     @Test
     void testThrowEmptyStack() throws IOException, ClassNotFoundException {
         new TestThrow01Creator().create();
diff --git a/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTest.java
index 8f7a2b45..d14f1c54 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTest.java
@@ -44,7 +44,7 @@ import org.junit.jupiter.api.Test;
  * Test a number of BCEL issues related to running the Verifier on a bad or 
malformed .class file and having it die with
  * an exception rather than report a verification failure.
  */
-public class VerifyBadClassesTest {
+class VerifyBadClassesTest {
 
     private List<String> buildVerifyCommand(final String className, final 
String testDir) {
         final List<String> command = new ArrayList<>();
diff --git a/src/test/java/org/apache/bcel/verifier/VerifyJavaHomesTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifyJavaHomesTest.java
index fe73f1cc..15fc5f60 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifyJavaHomesTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifyJavaHomesTest.java
@@ -25,7 +25,7 @@ import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
-public class VerifyJavaHomesTest extends AbstractVerifierTest {
+class VerifyJavaHomesTest extends AbstractVerifierTest {
 
     static int count;
 
diff --git a/src/test/java/org/apache/bcel/verifier/VerifyJavaMathTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifyJavaMathTest.java
index 0926f831..f150bb75 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifyJavaMathTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifyJavaMathTest.java
@@ -24,7 +24,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-public class VerifyJavaMathTest extends AbstractVerifierTest {
+class VerifyJavaMathTest extends AbstractVerifierTest {
 
     @Test
     @Disabled
diff --git a/src/test/java/org/apache/bcel/verifier/VerifyJavaUtilTest.java 
b/src/test/java/org/apache/bcel/verifier/VerifyJavaUtilTest.java
index 943c18e7..a7f01202 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifyJavaUtilTest.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifyJavaUtilTest.java
@@ -25,7 +25,7 @@ import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 @Disabled
-public class VerifyJavaUtilTest extends AbstractVerifierTest {
+class VerifyJavaUtilTest extends AbstractVerifierTest {
 
     @Test
     void testHashMap() throws ClassNotFoundException {
diff --git 
a/src/test/java/org/apache/bcel/verifier/statics/Pass2VerifierTest.java 
b/src/test/java/org/apache/bcel/verifier/statics/Pass2VerifierTest.java
index 1a70514d..98950f81 100644
--- a/src/test/java/org/apache/bcel/verifier/statics/Pass2VerifierTest.java
+++ b/src/test/java/org/apache/bcel/verifier/statics/Pass2VerifierTest.java
@@ -22,7 +22,7 @@ package org.apache.bcel.verifier.statics;
 import org.apache.bcel.Constants;
 import org.junit.jupiter.api.Test;
 
-public class Pass2VerifierTest {
+class Pass2VerifierTest {
 
     /**
      * Tests that we do not break binary compatibility with BCEL-330.
diff --git 
a/src/test/java/org/apache/bcel/verifier/structurals/InstConstraintVisitorTest.java
 
b/src/test/java/org/apache/bcel/verifier/structurals/InstConstraintVisitorTest.java
index cb266384..bef9ba7e 100644
--- 
a/src/test/java/org/apache/bcel/verifier/structurals/InstConstraintVisitorTest.java
+++ 
b/src/test/java/org/apache/bcel/verifier/structurals/InstConstraintVisitorTest.java
@@ -31,7 +31,7 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
-public class InstConstraintVisitorTest {
+class InstConstraintVisitorTest {
 
     private ConstantPoolGen cp;
 
diff --git 
a/src/test/java/org/apache/bcel/verifier/structurals/UninitializedObjectTypeTest.java
 
b/src/test/java/org/apache/bcel/verifier/structurals/UninitializedObjectTypeTest.java
index 1f7e7df0..7a2faa10 100644
--- 
a/src/test/java/org/apache/bcel/verifier/structurals/UninitializedObjectTypeTest.java
+++ 
b/src/test/java/org/apache/bcel/verifier/structurals/UninitializedObjectTypeTest.java
@@ -22,7 +22,7 @@ package org.apache.bcel.verifier.structurals;
 import org.apache.bcel.Constants;
 import org.junit.jupiter.api.Test;
 
-public class UninitializedObjectTypeTest {
+class UninitializedObjectTypeTest {
 
     /**
      * Tests that we do not break binary compatibility with BCEL-330.

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