using System;

​

​

public class TestStatic

    {

        public static int TestValue;

​

        public TestStatic()

        {

            if (TestValue == 0)

            {

                TestValue = 5;

            }

        }

        static TestStatic()

        {

            if (TestValue == 0)

            {

                TestValue = 10;

            }

        }

​

        public void Print()

        {

            if (TestValue == 5)

            {

                TestValue = 6;                

            }

            Console.WriteLine("TestValue : " + TestValue);

​

        } 

    }

​

​

public class Program

{

    public static void Main(string[] args)

    {

        Console.WriteLine("Hello World");

         TestStatic t = new TestStatic();

            t.Print();

    }

}