Driver.java

import java.io.*;
import java.util.*;

public class Driver {
    public static void main(String[] args) throws FileNotFoundException {
	String s;
	int i;
	ArrayList<String> al = new ArrayList<String>();
	al.add("one");
	al.add("two");
	al.add("three");
	al.add("four");
	al.add("five");
	al.add("six");
	System.out.println("ArrayList: : "+al);
	Iterator<String> it = al.iterator();
	while (it.hasNext()){
	    s=it.next();
	    System.out.println("ArrayList (iterator): "+s);
	}
	System.out.println();

	myList ml = new myList();
	ml.add(10);
	ml.add(30);
	ml.add(50);
	ml.add(20);
	System.out.println(ml);
	Iterator<Integer> mlit = ml.iterator();


	System.out.println ();

	/*	System.out.println (mlit.next () );
	System.out.println (mlit.next () );
	System.out.println (mlit.next () );
	System.out.println (mlit.next () );
	System.out.println (mlit.next () );
	System.out.println (mlit.next () ); should get error here*/


    while (mlit.hasNext() ) {
    i = mlit.next();
    System.out.println ("MyListIterator: " + i);
}


    }
}