public static void Main()
Console.WriteLine("Hello World");
Console.WriteLine(Object.ReferenceEquals(s1, s2));
Console.WriteLine(Object.ReferenceEquals(s1, s2));
Console.WriteLine("**************************************************");
Console.WriteLine("S1 value :" +s1);
Console.WriteLine("S2 value :" + s2);
Console.WriteLine("**************************************************");
Console.WriteLine("S1 value :" +s1);
Console.WriteLine("S2 value :" + s2);
Console.WriteLine("**************************************************");
Console.WriteLine(Object.ReferenceEquals(s1, s2));