A bag or multiset is a collection that allow duplicate items. It also keeps count of how many duplicate items are present. Apache Collections framework provide an implementation of Bag collection. Below is an example of it. Bag example 1 import org.apache.commons.collections4.Bag; 2 import org.apache.commons.collections4.bag.HashBag; 3 4 public class Example1 { 5 public static void…… Continue reading Bag Collection