1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 |
/* Check if a particular element exists in Java LinkedHashSet Example This Java Example shows how to check whether an elements is contained in Java LinkedHashSet using contains method. */ import java.util.LinkedHashSet; public class CheckElementLinkedHashSetExample { public static void main(String[] args) { //create object of LinkedHashSet LinkedHashSet lhashSet = new LinkedHashSet(); //add elements to LinkedHashSet object lhashSet.add(new Integer("1")); lhashSet.add(new Integer("2")); lhashSet.add(new Integer("3")); /* To check whether a particular value exists in LinkedHashSet use boolean contains(Object value) method of LinkedHashSet class. It returns true if the LinkedHashSet contains the value, otherwise false. */ boolean blnExists = lhashSet.contains(new Integer("3")); System.out.println("3 exists in LinkedHashSet ? : " + blnExists); } } /* Output would be 3 exists in LinkedHashSet ? : true */ |
Add Comment