Educator

Methods

• Methods are used to access private data elements of a class and operate on them. Methods provide access to object data and also provide ways to modify data elements of an object.

• Methods have three parts:

• Header (To communicate with the outside world and identify a method by name)

• Code segment (Java code to perform the task)

• Return statement to send back the result

• Parameters are variables used in the header of a method to bring in the values needed to do the task.

• Formal parameters are the one declared in the header.

• Actual parameters are the variables used in the calling of the method

• Local variables are the variables declared inside a method.