/**
* HashMapContoh
* @author (etta)
* @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());
}
}
}