names of classes in Ruby start with a capital letter


class Animal
end

1.	To create a class in Ruby, you simply use the class statement.
2.	A class is defined with the class keyword, followed by an end.
3.	class template
4.	A class is itself an object.
5.	A simple class that's been documented using comments.
6.	Your class with constructor, to string, setter, getter and inspect
7.	Your own class with inspect method
8.	To embed a module in a class, you use the include statement in the class: include modulename
9.	Class with symboles
10.	Class variable as condition variable

names of classes in Ruby start with a capital letter : Class Defintion « Class « Ruby