Iterating over Map.entrySet() using For-Each loop

import java.util.HashMap;

import java.util.Map;

public class HashMapIteration1 {

public static void main(String[] args) {

//Creating HashMap;

HashMap<Integer, String> hm = new HashMap<>();

//Putting element

hm.put(1, "Naidu");

hm.put(3, "Rohilla");

hm.put(5, "Vijay");

hm.put(2, "Rahul");

hm.put(4, "Ramakesh");

hm.put(6, "Sudeep");

//Storing null value

hm.put(null, null);

System.out.println("Iterating HashMap Using For each loop");

for (Map.Entry<Integer, String> entry : hm.entrySet()) {

System.out.println("Key = "+entry.getKey()+" Value = "+entry.getValue());

}

}

}