If the developer implemented the Comparable interface correctly, the method you
proposed would be
equivalent to java.util.Objects.equals(Object, Object).
Additionally both variants would require boxing for primitive types which I
initially wanted to prevent.
> Zheka Kozlov <orionllm...@gmail.com> hat am 6. Januar 2019 um 11:56
> geschrieben:
>
>
> Why don't we just add a generic method which compares any instances of
> Comparable?
>
>
> public interface Comparator {
> ...
>
> public static <T extends Comparable<? super T>> boolean equal(T x, T y) {
> return x.compareTo(y) == 0;
> }
> }
>
>
> Usage:
>
> Comparator.equal(1, 1); // true
> Comparator.equal(1.0, 1.0); // true
> Comparator.equal(2.0f, 2.0f); // true
> Comparator.equal("abc", "def"); // false
> Comparator.equal("abc", 1); // compilation error
