/**
* @author Timotius Wirawan
* @version 27 Oktober 2020
*/
import java.util.*;
class HashMapContoh
{
public static void main(String args[])
{
//membuat hashmap
HashMap<Integer,String> hm=new HashMap<Integer,String>();
//input objek
hm.put(100,"Kano");
hm.put(101,"Laila");
hm.put(102,"Badu");
hm.put(null, "Johan");
//menampilkan isi
for(Map.Entry m:hm.entrySet())
{
System.out.println(m.getKey()+" "+m.getValue());
}
}
}