public static void Main()
bool test1 = "CRACKINTERVIEWEASY".IsCapitalized();
Console.WriteLine("First Static Method called " + test1);
bool test2 = (ObjectExtension.IsCapitalized ("TTTTTT"));
Console.WriteLine("Second Static Method called " + test2);
static class StringExtension
public static bool IsCapitalized (this string s)
return s.Equals(s.ToUpper());
static class ObjectExtension
public static bool IsCapitalized (this object s)
return s.Equals(s.ToString().ToUpper());