class attribute of string instance


x = "This is a test"
puts x.class

1.	Call ancestors on a class name to see its inheritance hierarchy, like this:
2.	The Object class has a class method that returns the name of an instance's class
3.	The class method supercedes Object's deprecated method type, or gets the name of the class as a string with the name method
4.	To determine the name of the superclass
5.	Reflection and Metaprogramming Introduction

class attribute of string instance : Class Reflection « Reflection « Ruby