Sams teach yourself Java (covers Java 7 and Android) in 21 days

1445 Pages·2013·20.4 MB·English

by  Cadenhead

Sams Teach Yourself Java in 21 Days
(Covers Java 7 and Android)
Rogers Cadenhead
800 East 96th Street,
Indianapolis, Indiana 46240
Sams Teach Yourself Java in 21 Days (Covering Java 7 and Android)
Copyright © 2013 by Pearson Education, Inc.
All rights reserved. No part of this book shall be reproduced, stored in a retrieval
system, or transmitted by any means, electronic, mechanical, photocopying,
recording, or otherwise, without written permission from the publisher. No
patent liability is assumed with respect to the use of the information contained
herein. Although every precaution has been taken in the preparation of this book,
the publisher and author assume no responsibility for errors or omissions. Nor is
any liability assumed for damages resulting from the use of the information
contained herein.
ISBN-13: 978-0-672-33574-7
ISBN-10: 0-672-33574-3
Library of Congress Cataloging-in-Publication Data:
Cadenhead, Rogers.
Sams teach yourself Java in 21 days : covering Java 7 and Android /
Rogers Cadenhead.—6th ed.
p. cm.
ISBN 978-0-672-33574-7 (pbk.)
1. Java (Computer program language) 2. Android (Electronic resource)
I. Title.
QA76.73.J38C315 2013
005.13’3--dc23
2012022262
Printed in the United States of America
First Printing August 2012
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Contents at a Glance
Introduction
Week 1: The Java Language
1 Getting Started with Java
2 The ABCs of Programming
3 Working with Objects
4 Lists, Logic, and Loops
5 Creating Classes and Methods
6 Packages, Interfaces, and Other Class Features
7 Exceptions and Threads
Week 2: The Java Class Library
8 Data Structures
9 Working with Swing
10 Building a Swing Interface
11 Arranging Components on a User Interface
12 Responding to User Input
13 Creating Java2D Graphics
14 Developing Swing Applications
Week 3: Java Programming
15 Working with Input and Output
16 Serializing and Examining Objects
17 Communicating Across the Internet
18 Accessing Databases with JDBC 4.1 and Derby
19 Reading and Writing RSS Feeds
20 XML Web Services
21 Writing Android Apps for Java
Appendixes
A Using the NetBeans Integrated Development Environment
B This Book’s Website
C Setting Up an Android Development Environment
D Using the Java Development Kit
E Programming with the Java Development Kit
Quiz Answers
Table of Contents
Introduction
Week 1: The Java Language
1 Getting Started with Java
The Java Language
History of the Language
Introduction to Java
Selecting a Development Tool
Object-Oriented Programming
Objects and Classes
Attributes and Behavior
Attributes of a Class of Objects
Behavior of a Class of Objects
Creating a Class
Running the Program
Organizing Classes and Class Behavior
Inheritance
Creating a Class Hierarchy
Inheritance in Action
Interfaces
Packages
Summary
Q&A
Quiz
Questions
Certification Practice
Exercises
2 The ABCs of Programming
Statements and Expressions
Variables and Data Types
Creating Variables
Naming Variables
Variable Types
Assigning Values to Variables
Constants
Comments
Literals
Number Literals
Boolean Literals
Character Literals
String Literals
Expressions and Operators
Arithmetic
More About Assignment
Incrementing and Decrementing
Comparisons
Logical Operators
Operator Precedence
String Arithmetic
Summary
Q&A
Quiz
Questions
Certification Practice
Exercises
3 Working with Objects
Creating New Objects
Using new
How Objects Are Constructed
A Note on Memory Management
Using Class and Instance Variables
Getting Values
Setting Values
Class Variables
Calling Methods
Formatting Strings
Nesting Method Calls
Class Methods
References to Objects
Casting Objects and Primitive Types
Casting Primitive Types
Casting Objects
Converting Primitive Types to Objects and Vice Versa
Comparing Object Values and Classes
Comparing Objects
Determining the Class of an Object
Summary
Q&A
Quiz
Questions
Certification Practice
Exercises
4 Lists, Logic, and Loops
Arrays
Declaring Array Variables
Creating Array Objects
Accessing Array Elements
Changing Array Elements
Multidimensional Arrays
Block Statements
If Conditionals
Switch Conditionals
The Ternary Operator
For Loops
While and Do Loops
While Loops
Do-While Loops
Breaking Out of Loops
Labeled Loops
Summary
Q&A
Quiz
Questions
Certification Practice
Exercises
5 Creating Classes and Methods
Defining Classes
Creating Instance and Class Variables
Defining Instance Variables
Class Variables
Creating Methods
Defining Methods
The this Keyword
Variable Scope and Method Definitions
Passing Arguments to Methods
Class Methods
Creating Java Applications
Helper Classes