Check if a particular element exists in Java LinkedHashSet
import java.util.LinkedHashSet; public class Main { public static void main(String[] args) { LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>(); lhashSet.add(new Integer("1")); lhashSet.add(new Integer("2")); lhashSet.add(new Integer("3")); System.out.println(lhashSet.contains(new Integer("3"))); } }