using System;

public class Program

{

    public static void Main()

    {

        string type = "tea";

        var a= CreateObj.getobj(type);

        Console.WriteLine(a.getFname());

    }

}

class Teacher:I1

{

    public string getname()

    {

    return "Teacher Name";

    }

    public string getFname()

    {

    return "Teacher Father Name";

    }

}

​

class Student:I1

{

    public string getname()

    {

    return "Student Name";

    }

    public string getFname()

    {

    return "Student Father Name";

    }

}

​

interface I1

{

    string getname();

    string getFname();

}

​

class CreateObj

{

public static I1 getobj(string typeOfobj)

{

 I1 obj = null;

    if(typeOfobj == "student")

    {

    obj= new Student();

    }

    else

        {

    obj= new Teacher();

    }

    return obj;

​

}

}