using System;

namespace CSharpGeneric

{

class Program

{

static void Main(string[] args)

{

int firstInt = 1;

int secondInt = 2;

Swap(ref firstInt, ref secondInt);

Console.WriteLine("firstInt: " + firstInt);

Console.WriteLine("secondInt: " + secondInt);

double firstDouble = 1.5;

double secondDouble = 2.5;

Swap(ref firstDouble, ref secondDouble);

Console.WriteLine("firstDouble: " + firstDouble);

Console.WriteLine("secondDouble " + secondDouble);

Console.ReadKey();

}

public static void Swap<T>(ref T a, ref T b)

{

T temp = b;

b = a;

a = temp;

}

}

}