CHAPTER CHAPTER 30 --- Defining Your Own Objects

The previous chapters have discussed how to use objects and their methods. But all the objects have been created using a class from one of the Java libraries. This chapter discusses how to define your own classes and objects.

Chapter Topics:

• Object Oriented Programming.
• Syntax of Class Definitions.
• Syntax of Method Definitions.
• The return statement.
• The void return type.
• Object Oriented "Hello World" example.
• Testing Classes.

QUESTION 1:

(Review:) what is the difference between a class and an object?