Table of Contents
INTRODUCTION 1
PART I: Getting Started
HOUR 1: Becoming a Programmer
Choosing a Language ....................................4
Telli ng t he Com pu ter W ha t to Do ......................5
How Programs Work ......................................7
When Programs Don’t Work ............................8
Choosing a Java Programming Tool ..................8
Installing a Java Development Tool ..................9
HOUR 2: Writing Your First Program
What You Need to Write Programs..................13
Creating the Saluton Program ......................14
Beginning the Program ................................14
Storing Information in a Variable ....................17
Saving the Finished Product ..........................18
Compiling the Program into a Class File ..........19
Fixing Errors................................................19
Running a Java Program ..............................20
HOUR 3: Vacationing in Java
First Stop: Oracle ........................................25
Going to School with Java ............................27
Lunch in JavaWorld ......................................29
Watching the Skies at NASA ..........................31
Getting Down to Business ............................32
Stopping by Java Boutique for Directions ........33
Running Java on Your Phone..........................35
HOUR 4: Understanding How Java Programs
Work
Creating an Application ................................39
Sending Arguments to Applications ................41
Creating an Applet ......................................42
PART II: Learning the Basics of
Programming
HOUR 5: Storing and Changing Information in
a Program
Statements and Expressions ........................49
Assigning Variable Types ..............................50
Naming Your Variables..................................54
Storing Information in Variables ....................54
All About Operators......................................55
Using Expressions ......................................59
HOUR 6: Using Strings to Communicate
Storing Text in Strings ..................................65
Displaying Strings in Programs ......................66
Using Special Characters in Strings................67
Pasting Strings Together ..............................68
Using Other Variables with Strings..................68
Advanced String Handling ............................70
Presenting Credits ......................................72
HOUR 7: Using Conditional Tests to Make
Decisions
if Statements ............................................79
if-else Statements ....................................83
switch Statements ......................................84
The Conditional Operator ..............................86
Watching the Clock ......................................87
HOUR 8: Repeating an Action with Loops
for Loops ..................................................95
while Loops ..............................................98
do-while Loops ..........................................99
Exiting a Loop ..........................................100
Naming a Loop ..........................................101
Testi ng Yo ur Com pu ter S pe ed ......................102
- 1
- 2
前往页