Sams Teach Yourself Java™ in 24 Hours (Covering Java 7 and Android)

ptg

ptg

Contents v

PART III: Working with Information in
New Ways

HOUR 9: Storing Information with Arrays
Creating Arrays.......................................... 108
Using Arrays.............................................. 109
Multidimensional Arrays.............................. 111
Sorting an Array........................................ 111
Counting Characters in Strings.................... 113

HOUR 10:Creating Your First Object
How Object-Oriented Programming Works...... 121
Objects in Action...................................... 122
What Objects Are...................................... 124
Understanding Inheritance.......................... 125
Building an Inheritance Hierarchy................ 125
Converting Objects and Simple Variables...... 127
Creating an Object.................................... 132

HOUR 11:Describing What Your Object Is
Like
Creating Variables...................................... 137
Creating Class Variables............................ 139
Creating Behavior with Methods.................. 140
Putting One Class Inside Another................ 146
Using the thisKeyword.............................. 147
Using Class Methods and Variables.............. 148

HOUR 12:Making the Most of Existing Objects
The Power of Inheritance............................ 155
Establishing Inheritance.............................. 157
Working with Existing Objects...................... 159
Storing Objects of the Same Class in Vectors 160
Creating a Subclass.................................. 164

PART IV: Programming a Graphical User
Interface

HOUR 13:Building a Simple User Interface
Swing and the Abstract Windowing Toolkit.... 169
Using Components.................................... 170
Creating Your Own Component.................... 180

HOUR 14:Laying Out a User Interface

Using Layout Managers.............................. 187

Laying Out an Application............................ 192

HOUR 15:Responding to User Input

Getting Your Programs to Listen.................. 201

Setting Up Components to Be Heard............ 202

Handling User Events................................ 202

Completing a Graphical Application.............. 207

HOUR 16:Building a Complex User Interface

Scroll Panes.............................................. 219

Sliders.................................................... 222

Change Listeners...................................... 223

Using Image Icons and Toolbars.................. 227

PART V: Moving into Advanced Topics

HOUR 17:Creating Interactive Web Programs

Standard Applet Methods............................ 235

Putting an Applet on a Web Page................ 238

Creating an Applet.................................... 239

Sending Parameters from a Web Page.......... 242

Handling Parameters in an Applet................ 243

Using the Object Tag.................................. 245

HOUR 18:Handling Errors in a Program

Exceptions................................................ 249

Throwing Exceptions.................................. 256

Throwing and Catching Exceptions................ 258

HOUR 19:Creating a Threaded Program

Threads.................................................... 265

Working with Threads................................ 270

Starting with init().................................. 272

Catching Errors as You Set Up URLs............ 272

Handling Screen Updates in the paint()

Method.................................................... 273

Starting the Thread.................................... 274

Handling Mouse Clicks.............................. 276

Displaying Revolving Links.......................... 276