find max value in hashmap java

/**
 * @author lautturi.com
 * Java example: find the key associated with max value in java hashmap
 */

import java.util.*;
import java.util.Map.Entry;

public class Lautturi {

	public static void main(String[] args) {

		HashMap<Integer,Integer>map=new HashMap<Integer, Integer>();
        map.put(1, 50);
        map.put(2, 60);
        map.put(3, 30);
        map.put(4, 70);
        map.put(5, 60);
        int maxValueInMap=(Collections.max(map.values()));  // This will return max value in the Hashmap
        for (Entry<Integer, Integer> entry : map.entrySet()) {  // Itrate through hashmap
            if (entry.getValue()==maxValueInMap) {
                System.out.println(entry.getKey());     // Print the key with max value
            }
        }

	}
}

output:

4