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Intro

Your brain on Java. ฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀

Who is this book for? xxii

What your brain is thinking xxiii

Metacognition xxv

Bend your brain into submission xxvii

What you need for this book xxviii

Technical editors xxx

Acknowledgements xxxi

Table of Contents (summary)

Intro xxi

1 Breaking the Surface: a quick dip 1

2 A Trip to Objectville: yes, there will be objects 27

3 Know Your Variables: primitives and references 49

4 How Objects Behave: object state affects method behavior 71

5 Extra-Strength Methods: ﬂow control, operations, and more 95

6 Using the Java Library: so you don’t have to write it all yourself 125

7 Better Living in Objectville: planning for the future 165

8 Serious Polymorphism: exploiting abstract classes and interfaces 197

9 Life and Death of an Object: constructors and memory management 235

10 Numbers Matter: math, formatting, wrappers, and statics 273

11 Risky Behavior: exception handling 315

12 A Very Graphic Story: intro to GUI, event handling, and inner classes 353

13 Work on Your Swing: layout managers and components 399

14 Saving Objects: serialization and I/O 429

15 Make a Connection: networking sockets and multithreading 471

16 Data Structures: collections and generics 529

17 Release Your Code: packaging and deployment 581

18 Distributed Computing: RMI with a dash of servlets, EJB, and Jini 607

A Appendix A: Final code kitchen 649

B Appendix B: Top Ten Things that didn’t make it into the rest of the book 659

Index 677

Table of Contents (the full version)

www.allitebooks.com

You Bet

Shoot Me

A Trip to Objectville

I was told there would be objects. ฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

Breaking the Surface

Java takes you to new places. ฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀

The way Java works 2

Code structure in Java 7

Anatomy of a class 8

The main() method 9

Looping 11

Conditional branching (if tests) 13

Coding the “99 bottles of beer” app 14

Phrase-o-matic 16

Fireside chat: compiler vs. JVM 18

Exercises and puzzles 20

Method Party()

0 aload_0

1 invokespe-

cial #1 <Method

java.lang.Object()>

4 return

Compiled

bytecode

Virtual

Machines

Chair Wars (Brad the OO guy vs. Larry the procedural guy) 28

Inheritance (an introduction) 31

Overriding methods (an introduction) 32

What’s in a class? (methods, instance variables) 34

Making your ﬁ rst object 36

Using main() 38

Guessing Game code 39

Exercises and puzzles 42

www.allitebooks.com

pass-by-value means

pass-by-copy

Know Your Variables

Variables come in two flavors:

primitive and reference.

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀

Dog reference

size

int

fido

How Objects Behave

State affects behavior,

behavior affects state. ฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀

00000111

int

00000111

int

copy of x

foo.go(x); void go(int z){ }

Declaring a variable (Java cares about type) 50

Primitive types (“I’d like a double with extra foam, please”) 51

Java keywords 53

Reference variables (remote control to an object) 54

Object declaration and assignment 55

Objects on the garbage-collectible heap 57

Arrays (a ﬁ rst look) 59

Exercises and puzzles 63

Methods use object state (bark different) 73

Method arguments and return types 74

Pass-by-value (the variable is always copied) 77

Getters and Setters 79

Encapsulation (do it or risk humiliation) 80

Using references in an array 83

Exercises and puzzles 88

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xii

Extra-Strength Methods

Let’s put some muscle in our

methods. ฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀

฀฀฀฀฀฀฀฀฀

Using the Java Library

Java ships with hundreds of pre-built classes. ฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀฀

฀฀฀฀฀฀฀฀฀฀฀฀฀฀















฀฀฀฀฀฀฀







We’re gonna build the

Sink a Dot Com game

฀฀฀฀฀฀฀

฀฀฀฀฀฀฀

฀฀฀฀฀฀

- Julia, 31, hand model

Building the Sink a Dot Com game 96

Starting with the Simple Dot Com game (a simpler version) 98

Writing prepcode (pseudocode for the game) 100

Test code for Simple Dot Com 102

Coding the Simple Dot Com game 103

Final code for Simple Dot Com 106

Generating random numbers with Math.random() 111

Ready-bake code for getting user input from the command-line 112

Looping with for loops 114

Casting primitives from a large size to a smaller size 117

Converting a String to an int with Integer.parseInt() 117

Exercises and puzzles 118

Analying the bug in the Simple Dot Com Game 126

ArrayList (taking advantage of the Java API) 132

Fixing the DotCom class code 138

Building the real game (Sink a Dot Com) 140

Prepcode for the real game 144

Code for the real game 146

boolean expressions 151

Using the library (Java API) 154

Using packages (import statements, fully-qualiﬁ ed names) 155

Using the HTML API docs and reference books 158

Exercises and puzzles 161

www.allitebooks.com

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丑丑仔仔

2020-04-23

有水印!!!你最好把它去掉再说
longbo567

2022-10-28

不是扫描版,是文字版,可以选定里面的单词,有道可以直接翻译.就这点可以秒杀其他版本. #完美解决问题

Blair.Xu

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