[java] UnusedNullCheck is not aware of Arrays.equals or Objects.equals

[jsotuyod]

Affects PMD Version:
7.0.0

Rule:

UnusedNullCheckInEquals

Description:

The rule is only checking against invocations to Object.equals.

Code Sample demonstrating the issue:

class NewEqualsHelpers {
    private Object[] multiple;
    private Object single;

    void test(NewEqualsHelpers other){
        if (other.multiple != null && java.util.Arrays.equals(other.multiple, multiple)) { } // should flag

        if (single != null && Objects.equals(single, other.single)) { } // should flag
    }
}

Expected outcome:

PMD should report a violation at lines 6 and 8.

Running PMD through: Any