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 ...

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 ...

The goal of this exercise is to help you understand the usage of custom comparators in Java. You will build upon the previous exercise with the Book class and create custom comparators to sort books ...