import java.util.HashSet; class RemoveSpecifiedElementFromHashSet { public static void main(String[] args) { // creating HashSet Object HashSet hSet = new HashSet(); hSet.add(new Integer("1")); hSet.add(new Integer("2")); hSet.add(new Integer("3")); System.out.println("HashSet before removal : " + hSet); // remove() method is used to remove a particular element from the set // using boolean function boolean blnRemoved = hSet.remove(new Integer("2")); System.out.println("Was 2 removed from HashSet ? " + blnRemoved); System.out.println("HashSet after removal : " + hSet); } }
Java Program to remove specified element from HashSet
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