By default, a method returns the last expression that was evaluated in the body of … See more

The standard syntax to define a method: adds the method to a class. You can define an instance method on a specific class with the classkeyword: A method may be defined on … See more

When Ruby encounters the def keyword, it doesn’t consider it an error if the method already exists: it simply redefines it. This is called overriding. Rather like extending core classe… See more

A method may accept arguments. The argument list follows the method name: When called, the user of the add_one method must provide an argument. The argument i… See more

Methods have an implied exception handling block so you do not need to use begin or endto handle exceptions. This: May be written as: Similarly, if you wish to always run … See more