using System;

​

public class Test

{

    Program Prog;

    public Test()

    {

        Prog = new Program("");

    }

}

​

​

public class Program

{

    public  String Name = "Ying";

    public static String MyName = "xxx";

    private Program()

    {

        Console.WriteLine("Default Constructor called");

    }

    public Program(String ChangeName)

    {

        Console.WriteLine("Name Constructor called");

        Name = ChangeName;

    }

    public  int Len(String Name)

    {

        return Name.Length;

    }

    public  void ResetName()

    {

        Name = "";

    }

    public  void SetDefaultName()

    {

        Name = "Ying";

    }

    public static void Main()

    {

        int i = 10;

        Int32 ii = new Int32();

        ii = 10;

​

        Program p = new Program();

        Program p2 = p;

        Program p1 = new Program("Ying");

        Program.MyName = "Ying";

        Console.WriteLine(Program.MyName);

        Console.WriteLine("Test ying");

​

        p.ResetName();

        p1.ResetName();

        int len = p.Len("Ying");

        Console.WriteLine(len);

        p.Name = "ramit";

        p1.Name = "Ying";

        len = p.Len(p.Name);

        Console.WriteLine(len);

        p.SetDefaultName();

        len = p.Len(p.Name);

        Console.WriteLine(len);

        if(p.Name == "Ying"){

            Console.WriteLine("Correct Name");

            Console.WriteLine("Correct Name");

        }

​

    }

}