Affects PMD Version: 6.x

Rule: MethodArgumentCouldBeFinal

Description:

Similar like #4511: Unused formal parameters shouldn't be reported. This is a different problem UnusedFormalParameter

This has been found via #3123. It is already fixed with PMD 7.0.0-rc1.
Has been fixed with #3113.

Code Sample demonstrating the issue:

public class Foo {
    public static void main(String[] args) {}
}

Expected outcome:

PMD reports a violation at line 2, but that's wrong. That's a false positive.