C#-1

public class Example
{
    public class TestStatic
    {
        public static int TestValue;
        public TestStatic()
        {
            if (TestValue == 0)
            {
                TestValue = 10;
            }
            else
            {
                TestValue += 5;
      }
    }
         public void Print()
        {
            Console.WriteLine("TestValue : " + TestValue);
        }
    }
   public static void Main()
    {
        TestStatic t = new TestStatic();
        t.Print();
        TestStatic t1 = new TestStatic();
        t1.Print();
        TestStatic t2 = new TestStatic();
        t2.Print();
    }