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Showing content from https://github.com/pmd/pmd/issues/4188 below:

[java] ClassWithOnlyPrivateConstructorsShouldBeFinal false positive with Lombok's `@NoArgsConstructor` · Issue #4188 · pmd/pmd · GitHub

Affects PMD Version:6.51.0

Rule:ClassWithOnlyPrivateConstructorsShouldBeFinal

Please provide the rule name and a link to the rule documentation:
https://pmd.sourceforge.io/pmd-6.51.0/pmd_rules_java_design.html#classwithonlyprivateconstructorsshouldbefinal

Description:
Hi, I found a false positive about this rule, please read the following code example. PMD should not report a warning for this class because @NoArgsConstructor can add a constructor for this class. Hence, I think this is a false positive.

Code Sample demonstrating the issue:

import lombok.NoArgsConstructor;
@NoArgsConstructor
public class C {
    private C(String[] arr, long in, String res) {}
}

Expected outcome:

PMD reports a violation at line 3, but that's wrong. That's a false positive.

Running PMD through: [Maven]


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