Table of Contents
Getting Started ….........................................................................................5
How can this book help you?...........................................................................................6
Why is this a PERFECT companion?..............................................................................8
What are the technical key areas?....................................................................................9
Platform Essentials....................................................................................15
Why use Java? ...........................................................................................................16
Java platform basics – JDK, JRE, JVM, etc..................................................................21
Setting up and running Java...........................................................................................30
How are your classes loaded?........................................................................................34
Compile-time versus runtime........................................................................................39
Knowing your way around Java................................................................51
Judging Experience .......................................................................................................52
Gauging Your Experience with UNIX ..........................................................................88
Exposure to tools, technologies, and frameworks.......................................................103
Documenting your Java applications...........................................................................115
Ensuring code quality. ................................................................................................122
Language Essentials..................................................................................133
Valid identifiers and reserved keywords......................................................................135
Choosing the right data types......................................................................................144
Widening versus narrowing conversions.....................................................................150
Understanding the operator precedence.......................................................................159
Thinking in binary and bitwise operations .................................................................162
Initializing your data correctly.....................................................................................176
Constants and static imports........................................................................................182
Modifiers and where are they applicable? ..................................................................186
Methods and constructors............................................................................................196
Stack versus Heap........................................................................................................209
Java is pass-by-value....................................................................................................211
Recursive functions.....................................................................................................214
Class, instance, and local variables..............................................................................217
Classes and Interfaces Essentials.............................................................225
Working with classes and interfaces ...........................................................................226
Subclassing, overriding, and hiding (aka shadowing) ................................................227
Designing your classes and interfaces.........................................................................233
Working with abstract classes and interfaces..............................................................247
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zys4653054082013-09-18不错，值得学习
