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Showing content from https://github.com/pmd/pmd/issues/983 below:

[java] Detect annotations with single value element · Issue #983 · pmd/pmd · GitHub

The Java standard for annotations states that if the only element used in the annotation is value, then an explicit value element is not required.

This rule will find annotations where the only element used is value and flag it as a violation, if the value element is explicit.

Rule: UnnecessaryAnnotationValueElementRule

Description:
Avoid the use of value in annotations when it's the only element.

Example:

@TestClassAnnotation(value = "TEST")
public class Foo {

    @TestMemberAnnotation(value = "TEST")
    private String y;

    @TestMethodAnnotation(value = "TEST")
    public void bar() {
        int x = 42;
        return;
    }
}

Becomes:

@TestClassAnnotation("TEST")
public class Foo {

    @TestMemberAnnotation("TEST")
    private String y;

    @TestMethodAnnotation("TEST")
    public void bar() {
        int x = 42;
        return;
    }
}

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