/**
 * @author Muhammad Bagus Istighfar
 * @version 28-10-20
 */

import java.util.ArrayList;
import java.util.Iterator;

public class ArrayListRetain
{
    public static void main (String[] args)
    {
        ArrayList<String> al = new ArrayList <String> ();
        al.add("Bagus");
        al.add("Ibram");
        al.add("Eka");
        al.add("Nova");

        ArrayList<String> al2 = new ArrayList<String>();
        al2.add("Wahyu");
        al2.add("Ibram");

        al.retainAll(al2);

        Iterator itr=al.iterator();
        while(itr.hasNext())
        {
            System.out.println(itr.next());
        }
    }
}