Comparator:- Comparator interface found in java.util package and it contains equals() and compare() method. It use the multiple sorting technique to write our own comparison logic and is used to sort ...

- From the Java 1.7 version, it is not compulsory to mention the generic type on the right-hand side if you have already mentioned it on the left-hand side. - If we want to apply our own logic in ...

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 comparable belongs to java.lang package ...