ChrisAHolland commented on code in PR #15507:
URL: https://github.com/apache/kafka/pull/15507#discussion_r1525616031


##########
server-common/src/main/java/org/apache/kafka/server/mutable/BoundedList.java:
##########
@@ -40,18 +40,22 @@ public static <E> BoundedList<E> newArrayBacked(int 
maxLength) {
     }
 
     public static <E> BoundedList<E> newArrayBacked(int maxLength, int 
initialCapacity) {
+        if (initialCapacity <= 0) {
+            throw new IllegalArgumentException("Invalid non-positive 
initialCapacity of " + initialCapacity);
+        }
         return new BoundedList<>(maxLength, new ArrayList<>(initialCapacity));
     }
 
-    public BoundedList(int maxLength, List<E> underlying) {
+    private BoundedList(int maxLength, List<E> underlying) {
         if (maxLength <= 0) {
             throw new IllegalArgumentException("Invalid non-positive maxLength 
of " + maxLength);
         }
-        this.maxLength = maxLength;
+
         if (underlying.size() > maxLength) {
             throw new BoundedListTooLongException("Cannot wrap list, because 
it is longer than " +
-                "the maximum length " + maxLength);
+                    "the maximum length " + maxLength);

Review Comment:
   Done, thanks!



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