using System;

​

public class Program

{

    class BaseClass<T>

    {

        public static T TMember;

        public static string StringMember;

    }

​

    class DerivedClass1 : BaseClass<string>

    {

    }

​

    class DerivedClass2 : BaseClass<double>

    {

    }

​

    class DerivedClass3 : BaseClass<int>

    {

    }

​

    class DerivedClass4 : BaseClass<int>

    {

    }

​

    public void Main()

    {

        DerivedClass1.StringMember = "Stest1";

        DerivedClass2.StringMember = "Stest2";

        DerivedClass3.StringMember = "Stest3";

        DerivedClass4.StringMember = "Stest4";

        DerivedClass1.TMember = "Ttest1";

        DerivedClass2.TMember = 2.0;

        DerivedClass3.TMember = 3;

        DerivedClass4.TMember = 4;

        Console.WriteLine(DerivedClass1.TMember);

        Console.WriteLine(DerivedClass2.TMember);

        Console.WriteLine(DerivedClass3.TMember);

        Console.WriteLine(DerivedClass4.TMember);

        Console.WriteLine(DerivedClass1.StringMember);

        Console.WriteLine(DerivedClass2.StringMember);

        Console.WriteLine(DerivedClass3.StringMember);

        Console.WriteLine(DerivedClass4.StringMember);

    }

}