Check if a particular element exists in Java LinkedHashSet : LinkedHashMap « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. LinkedHashMap

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")));
  }
}