Methods : Defining Method « Class Definition « Java Tutorial

1. Methods define actions that a class's objects (or instances) can do.
2. A method has a declaration part and a body.
3. The declaration part consists of a return value, the method name, and a list of arguments.
4. The body contains code that perform the action.
5. The return type of a method can be a primitive, an object, or void.
6. The return type void means that the method returns nothing.
7. The declaration part of a method is also called the signature of the method.

For example, here is the getSalary method that returns a double.