Java Map check value exitance

import java.util.HashMap;
import java.util.Map;

public class Main {
  public static void main(String[] args) {
    Map<String, String> hMap = new HashMap<String, String>();

    hMap.put("1", "One");
    hMap.put("2", "Two");
    hMap.put("3", "Three");

    System.out.println(hMap.containsValue("Two"));
  }/*  ww w  .  j a  v  a  2s . c o m*/
}