private static void Main(string[] args)
{
cls r1 = new cls(10);
cls r2 = new cls(20);
stc s1 = new stc(10);
stc s2 = new stc(20);
Console.WriteLine("r1.x:{0}, r2.x:{1}, s1.x:{2}, s2.x:{3}", r1.x, r2.x, s1.x, s2.x);
r1 = r2;
s1 = s2;
Console.WriteLine("r1=r2, s1=s2");
Console.WriteLine("r1.x:{0}, r2.x:{1}, s1.x:{2}, s2.x:{3}", r1.x, r2.x, s1.x, s2.x);
r2.x = 100;
s1.x = 200;
Console.WriteLine("r1=r2, s1=s2");
Console.WriteLine("r1.x:{0}, r2.x:{1}, s1.x:{2}, s2.x:{3}", r1.x, r2.x, s1.x, s2.x);
Console.ReadKey();
}
static void Main(string[] args)
{
stc kareals = new stc();
cls karealc = new cls();
Console.Write("Karesi alınacak sayıyı giriniz :");
int sayi = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("class : sayi * sayi = " + karealc.kare(sayi));
Console.Write("Karesi alınacak sayıyı giriniz :");
sayi = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("class : sayi * sayi = " + kareals.kare(sayi));
Console.ReadKey();
}