using System;

public class Program

{

    public static void Main()

    {

        FirstChildClass FCC = new FirstChildClass();

        FCC.name = "Meliodas";

        FCC.sin = "Wrath";

        FCC.printName();

        SecondChildClass SCC = new SecondChildClass();

        SCC.name = "Escanor";

        SCC.sin = "Pride";

        SCC.printName();

    }

}

​

public class ParentClass

{

    private string _name, _sin;

    public string name

    {

        get

        {

            return _name;

        }

        set

        {

            _name = value;  

        }

    }

    public string sin

    {

        /*get => _lastName;

        set => _lastName = value;

        */

        get

        {

            return _sin;    

        }

        set

        {

            _sin = value;

        }

    }

    public void printName()

    {

        Console.WriteLine("{0} Sin of {1}", name, sin);

        Console.WriteLine("-----------------------------------------");

    }

    public ParentClass()

    {

        Console.WriteLine("I am Parent class 1st Constructor");

    }

    // contructor overloading

    public ParentClass(string Message)

    {

        Console.WriteLine(Message);

    }

}

​

public class FirstChildClass : ParentClass

{

    public FirstChildClass()    

    {

        Console.WriteLine("I am First Child Class");

    }

}

​

public class SecondChildClass : ParentClass

{

    public SecondChildClass() : base("I am Calling 2nd Constructor of my Parent Class") // controling what Constructor to be called on Parent Class

    {

        Console.WriteLine("I am Second Child Class");

    }

}

​

​

​