C graphical tutorial (Fourth Edition)_ Chapter 17 generic: genericsamplep315

using System;




namespace Chapter17GenericSampleP315
{
    class MyStack<T>
    {
        T[] StackArray;
        int StackPointer = 0;
        public void Push(T x)
        {
            if (!IsStackFull)
                StackArray[StackPointer++] = x;
        }
        public T Pop()
        {
            return (!IsStackEmpty) ? StackArray[--StackPointer] : StackArray[0];
        }
        const int MaxStack = 10;
        bool IsStackFull { get { return StackPointer >= MaxStack; } }
        bool IsStackEmpty { get { return StackPointer <= 0; } }
        public MyStack()
        {
            StackArray = new T[MaxStack];
        }
        public void Print()
        {
            for (int i = StackPointer - 1; i >= 0; i--)
            {
                Console.WriteLine("Value:{0}", StackArray[i]);
            }
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            MyStack<int> StackInt = new MyStack<int>();
            MyStack<string> StackString= new MyStack<string>();
            StackInt.Push(3);
            StackInt.Push(5);
            StackInt.Push(7);
            StackInt.Push(9);
            StackInt.Print();
            StackString.Push("This is fun");
            StackString.Push("Hi,there!");

            StackString.Print();
            Console.WriteLine("Hello World!");
        }
    }
}