Bartosz Paszkowski created LANG-1039:
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Summary: HashCodeBuilder.reflectionHashCode(Object object) returns
always the same result for any array
Key: LANG-1039
URL: https://issues.apache.org/jira/browse/LANG-1039
Project: Commons Lang
Issue Type: Bug
Components: lang.builder.*
Affects Versions: 3.3.2
Reporter: Bartosz Paszkowski
HashCodeBuilder.reflectionHashCode(Object object) returns always the same
result for any array. The result is 17.
There is no information in javadoc, that this method works in that way.
Maybe it is a bug that sould be fixed?
Example:
{code}
public class HashCodeBuilderTest {
public static void main(String[] args) {
System.out.println(HashCodeBuilder.reflectionHashCode(new double[] {1,
1}));
System.out.println(HashCodeBuilder.reflectionHashCode(new double[] {2,
2}));
System.out.println(HashCodeBuilder.reflectionHashCode(new int[] {3,
3}));
System.out.println(HashCodeBuilder.reflectionHashCode(new int[] {4,
4}));
System.out.println(HashCodeBuilder.reflectionHashCode(new Long[] {5L,
5L}));
System.out.println(HashCodeBuilder.reflectionHashCode(new Double[]
{null, null}));
System.out.println(HashCodeBuilder.reflectionHashCode(new Object[]
{Boolean.FALSE, 1L, null}));
}
}
{code}
*Output:*
{code}
17
17
17
17
17
17
17
{code}
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