Core Java, Volume I Fundamentals, 11th Edition

Chapter 4Objects and Classes

In this chapter

• 4.1 Introduction to Object-Oriented Programming

• 4.2 Using Predefined Classes

• 4.3 Defining Your Own Classes

• 4.4 Static Fields and Methods

• 4.5 Method Parameters

• 4.6 Object Construction

• 4.7 Packages

• 4.8 JAR Files

• 4.9 Documentation Comments

• 4.10 Class Design Hints

In this chapter, we

• Introduce you to object-oriented programming;

• Show you how you can create objects that belong to classes from the standard Java library; and

• Show you how to write your own classes.

If you do not have a background in object-oriented programming, you will want to read this chapter carefully. Object-oriented programming requires a different way of thinking than procedural languages. The transition is not always easy, but ...