Help za java.util.List

import java.util.*;



class ListTest 

{

	private int a;

	private String b;

	private static int count = 0;

	

	public ListTest()

	{

		a = ++count;

		b = "This is instance Nr. " + a;

	}



	public String toString()

	{

		return a + "\n" + b;

	}

	

                public static void main(String[] args) 

	{

		

		List myList = new ArrayList(); // Vector, LinkedList, ...

		for(int i = 0; i < 10; i++ )

		{

			myList.add(new ListTest());

		}

		

		System.out.println("Contents of myList:");

		Iterator i = myList.iterator();

		while( i.hasNext() )

		{

			System.out.println( (ListTest)i.next() );

		}

	}

}