Java Class Design

Overview

This section explores the next steps in developing Java code more complicated than single class programs.

Oracle Java Tutorial links

Use access modifiers: private, protected, public
- Controlling Access to Members of a Class
Override methods.
Overload constructors and other methods appropriately.
- Defining Methods
Use the instanceof operator and casting.
- Inheritance
Use virtual method invocation.
- Polymorphism
Override methods from the Object class to improve the functionality of your class.
- Overriding and Hiding Methods
Use package and import statements
- Creating and Using Packages
- Using Package Members

Exercises

Do the exercises for Classes in the Oracle Java tutorial here. Once you are done, the answers can be checked here.

Do the exercises for Objects in the Oracle Java tutorial here. Once you are done, the answers can be checked here.

Do the exercises for Inheritance in the Oracle Java tutorial here. Once you are done, the answers can be checked here.

Do the exercises for Packages in the Oracle Java tutorial here. Once you are done, the answers can be checked here.

Further exercises

Look at the page Advanced Class Design for exercises using the concepts above.