Just Java 2, Sixth Edition, Linden P., 2004

Just Java 2, Sixth Edition, Linden P., 2004.

    An international bestseller for eight years, Just Java(TM) 2 is the complete, accessible Java tutorial for working programmers at all levels. Fully updated and revised, this sixth edition is more than an engaging overview of Java 2 Standard Edition (J2SE 1.5) and its libraries: it's also a practical introduction to today's best enterprise and server-side programming techniques. Just Java(TM) 2, Sixth Edition, reflects both J2SE 1.5 and the latest Tomcat and servlet specifications. Extensive new coverage includes:

   The first edition of Just Java was one of the earliest books to accompany the original release of Java in 1996. The launch of Java coincided with the explosion of interest in the web and the net which, in turn, drove technology forward at a frantic pace. People talked about "Internet time," which meant three things to me in Silicon Valley: there was immense pressure to rapidly create new hardware and software products; everyone wrote software to display stock prices on their desktops and cell phones; you were forgiven for not showering if you fell asleep at your desk after midnight and woke up there the next morning. Times have changed, but software productivity remains a big reason behind Java's popularity.
Over the last eight years Java has had six major releases, averaging one about every 18 months. With each of these releases, there has been a new edition of Just Java to describe and explain the technology. Table 1 shows how the language and libraries have improved.

Copyright
Preface
Acknowledgments
Part 1. Language
Chapter 1. What Can Java Do for Me?
What Java Does for You: Software Portability
Why Portability Matters
Language and Libraries
One Size Doesn't Fit All
Some Light Relief—A Java Desktop Application
Chapter 2. Introducing Objects
Downloading and Compiling Java
What Is a Class?
What Is an Object?
Java Digital Clock Program
Summary
Exercises
Some Light Relief—Napster and LimeWire
Chapter 3. Primitive Types, Wrappers, and Boxing
Literal Values
boolean
char
int
long
byte
short
Limited Accuracy of Floating Point Types
double
float
Object Wrappers for Primitives
Autoboxing and Unboxing
Performance Implications of Autoboxing
java.lang.Object
java.lang.String
Language Support for String Concatenation
String Comparison
Some Light Relief—Hatless Atlas
Chapter 4. Statements and Comments
Organizing Statements
Expression Statements
Selection Statements
Looping Statements
Transfer of Control Statements
Comments
Reading the Java API
Exercises
Some Light Relief—MiniScribe: The Hard Luck Hard Disk
Chapter 5. OOP Part II—Constructors and Visibility
Polymorphism Is a Long Word for a Short Topic
Creating New Objects: Constructors
More About Methods
Variable-Arity Methods
Packages
How the JDK Finds Classes
Access Modifiers
Exercises
Some Light Relief—It's Not Your Father's IBM
Chapter 6. Static, Final, and Enumerated Types
What Field Modifier static Means
What Field Modifier final Means
Why Enumerate a Type?
Statements Updated for Enumerations
More Complicated Enumerated Types
Some Light Relief—The Haunted Zen Garden of Apple
Chapter 7. Names, Operators, and Accuracy
Keywords
Punctuation Terminology
Names
Identifiers
Expressions
Arrays
Operators
Associativity
How Accurate Are Calculations?
Widening and Narrowing Conversions
What Happens on Overflow?
Some Light Relief—Furby's Brain Transplant
Chapter 8. More OOP—Extending Classes
Inheritance
Polymorphism
The Class Whose Name Is Class
Exercises
Some Light Relief—The Nerd Detection System
Chapter 9. Arrays
Understanding and Creating Arrays
Arrays of Arrays
Have Array Brackets, Will Travel
The Math Package
Some Light Relief—Think Big (and Small)
Chapter 10. Exceptions
Run-time Internals: The Heap
Garbage Collection
Run-time Internals: The Stack
Exceptions
The Assert Statement
Further Reading
Some Light Relief—Making an Exception for You
Chapter 11. Interfaces
What Problem Does an Interface Solve?
Interface java.lang.Comparable
Interfaces Versus Abstract Classes
Granting Permission Through an Interface—Cloneable
What Protected Really Means
Using Interface Callbacks for GUI Event Handlers
The Class Double
Exercises
Some Light Relief—The Java-Powered Toaster
Chapter 12. Nested Classes
Introduction to Nested Classes
Nested Static Classes
Inner Member Classes
Inner Local Classes
Inner Anonymous Classes
How Inner Classes Are Compiled
The Class Character
Exercises
Some Light Relief—The Domestic Obfuscated Java Code Non-Competition
Part 2. Key Libraries
Chapter 13. Doing Several Things at Once: Threads
What Are Threads?
Two Ways to Obtain a New Thread
The Lifecycle of a Thread
Thread Groups
Four Kinds of Threads Programming
Some Light Relief—The Motion Sensor Solution
Chapter 14. Advanced Thread Topics
Mutually Exclusive Threads
Communicating Mutually Exclusive Threads
Piped I/O for Threads
Thread Local Storage
Package java.util.concurrent
An Aside on Design Patterns
Further Reading
Exercises
Some Light Relief—Are You Certifiable? I Am.
Chapter 15. Explanation <Generics>
Terminology Refresher: Parameters Versus Arguments
The Problem that Generic Code Addresses
What Generic Code Looks Like
Generic Interfaces
Bounds—Requiring a Type Parameter to Implement an Interface or Extend a Parent Class
Some Light Relief—On Computable Numbers with an Application to the Entscheidungsproblem
Part 3. Server-side Java
Chapter 16. Collections
Collection API
List, LinkedList, and ArrayList
Set, HashSet, and SortedSet
The Collections Helper Class
Wildcard Parameters and Generic Methods
Wildcarding a Generic Parameter
Generic Methods
Summary of Collection
Map, HashMap, and TreeMap
Exercises
Some Light Relief—Early Names for Java
Chapter 17. Simple Input Output
Getting to Know Java I/O
Design Philosophy
The Class java.io.File
Keyboard I/O
Output
Wrapping Additional Output Classes
Input
Reader Wrappers
Inputting ASCII Characters and Binary Values
Input Stream Wrappers
Further Reading
Exercises
Some Light Relief—The Illegal Prime Number!
Chapter 18. Advanced Input Output
Random Access File
Running Commands and Getting Output From Them
Formatted String Output
Writing Objects to Disk
New I/O Package
Memory Mapped I/O
File Locking
Charsets and Endian-ness
Exercises
Some Light Relief—The Illegal T-shirt!
Part 4. Client Java
Chapter 19. Regular Expressions
Regular Expressions And Pattern Matching
Calendar Utilities
Other Utility Classes
Further Reading
Exercises
Some Light Relief—Exchanging Apples And Crays
Chapter 20. GUI Basics and Event Handling
All About Event Handling
Tips for Slimming Down Handler Code
Summary of Event Handling
Exercises
Some Light Relief—The Mouse That Roared
Chapter 21. JFC and the Swing Package
Java Foundation Classes
All About Controls (JComponents)
Swing Threads—A Caution!
Swing Components
More About Swing Components
Further Reading
Exercises
Some Light Relief—The Bible Code
Chapter 22. Containers, Layouts, and AWT Loose Ends
Pluggable Look and Feel
All About Containers
Layout in a Container
Tying up the Loose Ends
Exercises
Some Light Relief—Sky View Cafe: A High Quality Applet
Part 5. Enterprise Java
Chapter 23. Relational Databases and SQL
Introduction to Relational Databases
Primary and Foreign Keys
Relationships
Normal Forms
Relational Database Glossary
Download and Install Mckoi
Basic SQL Primer
Creating and Populating Tables
Querying and Retrieving Data
Subquery Selections
Result Set of a SELECT Query
Updating Values
Deleting Records and Tables
SQL Prepared Statements and Stored Procedures
Exercises
Some Light Relief—Reading the Docs
Chapter 24. JDBC
Introduction to JDBC
Installing the Mckoi Database Software
Running the Example Code
Connecting to the Database
Executing SQL Statements
Result Sets
Batching SQL Statements and Transactions
Prepared Statements and Stored Procedures
Complete Example
Database and Result Set Metadata
Further Reading
Exercises
Heavy Light Relief—In Which "I" Spam Myself
Chapter 25. Networking in Java
Everything You Need To Know about TCP/IP but Failed to Learn in Kindergarten
A Client Socket in Java
Sending Email by Java
A Server Socket in Java
HTTP and Web Browsing: Retrieving HTTP Pages
A Multithreaded HTTP Server
A Mapped I/O HTTP Server
Further Reading
Exercises
Some Light Relief—500 Mile Limit on Email
Chapter 26. Servlets and JSP
Overview of Servlets and JSP
Why Use Servlets?
Releases and Versions
Installing the Tomcat Software
Running the Example Servlets
Ports and Protocols
The HTML to Invoke a Servlet
A Servlet and Its Request/Response
Servlet Request
Response to a Servlet Request
Writing Your Own Servlet
Servlet Operating Cycle and Threading
Java Server Pages
Java Beans in Servlets and JSP
Last Words on JSP, Beans, and Tag Libraries
Further Reading
Exercises
Some Light Relief—Using Java to Stuff an Online Poll
Chapter 27. XML and Java
XML Versus HTML
Some Rules of XML
The Document Type Definition (DTD)
What Is XML Used For?
XML Versions and Glossary
JAXP Library Contents
Reading XML With DOM Parsers
A Program That Uses a DOM Parser
Reading an XML File—SAX Parsers
A Program That Uses a SAX Parser
The Factory Design Pattern
Design Pattern Summary
Other Java XML Notes
Further Reading
Exercises
Some Light Relief—View Source on Kevin's Life
Chapter 28. Web Services at Google and Amazon
Web Services Introduction
Google Web Services
Amazon Web Services
Conclusions
Some Light Relief—Googlewhacking
Appendix A. Downloading Java
Now it's Hello World
Appendix B. Powers of Two Table
Appendix C. Codesets
Index



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