Java HashMap clone

import java.util.HashMap;

public class Main {
  public static void main(String a[]) {
    HashMap<Integer, String> hashMap = new HashMap<>();
    HashMap<Integer, String> hashMap1 = new HashMap<>();

    hashMap.put(1, "One");
    hashMap.put(2, "Two");
    hashMap.put(3, "Three");
    System.out.println("Original HashMap : " + hashMap);

    hashMap1 = (HashMap<Integer, String>) hashMap.clone();

    System.out.println("Copied HashMap : " + hashMap1);

    hashMap1.put(1, "new value");
    System.out.println("Copied HashMap : " + hashMap1);
  }//from  ww w . j av a2s .  c  o  m
}