Comparable and Comparator in Java Comparable and comparator both are an interface that can be used to sort the elements of the collection. Comparator interface belongs to java.util package while ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

If you want to take advantage of sorting methods in Java, you'll need to implement the Comparable interface.