/**
 * Hash Map
 *
 * @author Migel Aulia Mandiri Putra
 * @version 24 Oktober 2020
 */
import java.util.*;
class HashMapContoh{
    public static void main(String args[])
    {
        HashMap <Integer,String> hm=new HashMap <Integer,String>();
        
        hm.put(100,"Kano");
        hm.put(101,"Laila");
        hm.put(102,"Badu");
        hm.put(null, "Johan");
        
        for(Map.Entry m:hm.entrySet()) 
        {
            System.out.println(m.getKey()+" "+m.getValue());
        }
    }
 }