static void Main(string[] args)
{
MyClass m1 = new MyClass();
MyClass2 m2 = new MyClass2();
MyClass3 m3 = new MyClass3();
Console.WriteLine(m1.GetHashCode() + " " + m1.id);
Console.WriteLine(m2.GetHashCode() + " " + m2.id);
Console.WriteLine(m3.GetHashCode() + " " + m3.id);
Console.WriteLine("-----------------------");
m1 = (MyClass)m1.clone();
m2 = (MyClass2)m2.clone();
m3 = (MyClass3)m3.Clone();
Console.WriteLine("-----------------------");
Console.WriteLine(m1.GetHashCode() + " " + m1.id);
Console.WriteLine(m2.GetHashCode() + " " + m2.id);
Console.WriteLine(m3.GetHashCode() + " " + m3.id);
}
