/* **************************************************************
   How to implement a GENERIC stack with arrays
   ************************************************************** */
public class ArrayStack<T> implements MyStackInterface<T>
{
    private T[] item;
    private int stackTop;

    public ArrayStack(int N)
    {
        item = (T[]) new Object[N];  // Create an array of Object  objects 
        stackTop = 0;
    }
}