Example of contains method of hashset in java.
Example of contains method of hashset in java.Code:
HashSetToArray .java
package net.roseindia; import java.util.HashSet; public class HashSetToArray { public static void main(String[] arg) { HashSet obHashSet = new HashSet(); obHashSet.add(new Integer(1)); obHashSet.add(new Integer(2)); obHashSet.add(new Integer(3)); obHashSet.add(new Integer(4)); System.out.println("All Elements in HashSet : " + obHashSet); /*Check element is present or not in Hash set */ boolean b=obHashSet.contains(new Integer(3)); System.out.println("Result : "+ b); } } |
All Elements in HashSet : [1, 2, 3, 4] Result : true |