As a follow up to JDK-8162817, if an enum used in an annotation has overridden `toString()` to return something other than `name()`, the output of the annotation's `toString()` method will not be reusable for source input.

Given the following example application:

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package example;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Method;

public class Example {

enum Color {
RED, GREEN, BLUE;

public String toString() {
return name().toLowerCase();
}
}

@Retention(RetentionPolicy.RUNTIME)
@interface Colors {
Color[] value();
}

@Colors({Color.RED, Color.BLUE})
public static void main(String[] args) throws Exception {
Method method = Example.class.getDeclaredMethod("main", String[].class);
System.out.println(method.getAnnotation(Colors.class));
}
}
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The output of the application on JDK 9 through JDK 17 is:

@example.Example$Colors({red, blue})

Whereas, we would expect the output to be:

@example.Example$Colors({RED, BLUE})

Or potentially using partially qualified enum constants as in:

@example.Example$Colors({Color.RED, Color.BLUE})

Or potentially using fully qualified enum constants as in:

@example.Example$Colors({example.Example.Color.RED, example.Example.Color.BLUE})

The cause for this is the fact that `Enum#toString()` is invoked instead of `Enum#name()` when generating the output of each enum constant in the `toString()` implementation of `Annotation`.