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    Copyright
    Preface
    Before You Begin
    Ch. 1. Introduction
    Ch. 2. Introduction to Java Applications
    Ch. 3. Introduction to Classes, Objects, Methods and Strings
    Introduction
    Declaring a Class with a Method and Instantiating an Object of a Class
    Declaring a Method with a Parameter
    Instance Variables, set Methods and get Methods
    Primitive Types vs. Reference Types
    Initializing Objects with Constructors
    Floating-Point Numbers and Type double
    Wrap-Up
    Ch. 4. Control Statements: Part 1
    Ch. 5. Control Statements: Part 2
    Ch. 6. Methods: A Deeper Look
    Ch. 7. Arrays and ArrayLists
    Ch. 8. Classes and Objects: A Deeper Look
    Ch. 9. Object-Oriented Programming: Inheritance
    Ch. 10. Object-Oriented Programming: Polymorphism
    Ch. 11. Exception Handling: A Deeper Look
    Ch. 12. ATM Case Study, Part 1: Object-Oriented Design with the UML
    Ch. 13. ATM Case Study Part 2: Implementing an Object-Oriented Design
    Ch. 14. GUI Components: Part 1
    Ch. 15. Graphics and Java 2D
    Ch. 16. Strings, Characters and Regular Expressions
    Ch. 17. Files, Streams and Object Serialization
    Ch. 18. Generic Collections
    Ch. 19. Generic Classes and Methods
    Ch. 20. Applets and Java Web Start
    Ch. 21. Multimedia: Applets and Applications
    Ch. 22. GUI Components: Part 2
    Ch. 23. Multithreading
    Ch. 24. Networking
    Ch. 25. Accessing Databases with JDBC
    Ch. 26. JavaServer™ Faces Web Apps: Part 1
    Ch. 27. JavaServer™ Faces Web Apps: Part 2
    Ch. 28. Web Services
    Appx. A. Operator Precedence Chart
    Appx. B. ASCII Character Set
    Appx. C. Keywords and Reserved Words
    Appx. D. Primitive Types
    Appx. E. Using the Java API Documentation
    Appx. F. Using the Debugger
    Appx. G. Formatted Output
    Appx. H. GroupLayout
    Appx. I. Java Desktop Integration Components
    Appx. J. UML 2: Additional Diagram Types
    Index
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    Chapter 3. Introduction to Classes, Objects, Methods and Strings

    3. Introduction to Classes, Objects, Methods and Strings

    Nothing can have value without being an object of utility.

    —Karl Marx

    Your public servants serve you right.

    —Adlai E. Stevenson


      

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