using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        // create a GenericCollection to hold integers

        GenericCollection<int> intArray = new GenericCollection<int>();

        intArray.Add(1);

​

        // create a GenericCollection to hold strings

        GenericCollection<string> stringArray = new GenericCollection<string>();

        stringArray.Add("Humber");

​

    }

}

​

​

// Using generics you can have one class handle mutiple data types

public class GenericCollection<T>

{

    private T[] _items = new T[50];

​

    private int _numitems = 0;

​

    public void Add(T item)

    {

        if (_numitems + 1 < 50)

        {

            _items[_numitems] = item;

            _numitems++;

        }

    }

}