Computer Programming in Java the Easy Way

by Downing, Douglas

• ISBN13: 9780764107528
• ISBN10: 0764107526
• Format: Paperback
• Copyright: 1999-04-01
• Publisher: Barrons Educational Series Inc

Summary

With practical, hands-on instruction, this book teaches Java to people who are relatively new to programming in C++.

Table of Contents

Preface	p. ix
Introduction to Java Programming	p. 1
Computers and Programming Languages	p. 1
Arithmetic Calculation: 2 + 2	p. 2
Ten Basic Features of Java	p. 3
Compiling and Running a Java Program	p. 6
Calculations	p. 9
Subtraction, Multiplication, and Division	p. 9
Including Output Labels	p. 10
Variables of Type double (Real Numbers)	p. 11
Assignment Statements	p. 13
Rounding Numbers	p. 16
Input from a Command Line Parameter	p. 17
Character String (String) Variables	p. 18
Integer (int) and Other Numerical Variables	p. 19
Exercises	p. 23
Applets	p. 24
Calculation Example Applet	p. 24
Applets and HTML	p. 26
Publishing an Applet on the World Wide Web	p. 28
Including Images in Applets	p. 29
Adding Sound to an Applet	p. 30
Which to Use: Application or Applets?	p. 31
If	p. 33
if/else Statements	p. 33
Logical Conditions	p. 36
And (andand), Or (\\), Not (!)	p. 36
The switch Statement: Choosing Between Several Alternatives	p. 38
Boolean Variables: true or false	p. 40
Exercises	p. 42
Loops	p. 43
for Loop: Compound Interest	p. 43
for Loop: General Form	p. 46
Dates	p. 47
Nested Loops	p. 48
while Loops	p. 51
Exercises	p. 54
Arrays	p. 57
Arrays and Subscripts	p. 57
Arrays of Character Strings; Sorting	p. 61
Two-dimensional Arrays	p. 64
Vectors	p. 67
Exercises	p. 68
Strings	p. 70
Operations on Strings	p. 70
Concatenation (+) and length	p. 71
Substrings	p. 72
Removing Blanks: trim	p. 73
Reversing Strings and Palindrome Testing	p. 74
Finding Strings Within Strings: indexOf	p. 76
Conversion Between Strings and Numbers	p. 77
Unicode Values and Encryption	p. 79
Exercises	p. 84
Methods	p. 85
Methods for Common Tasks: Rounding Numbers	p. 85
Method Parameters	p. 87
General Form: Method Declaration	p. 89
Rounding Numbers: Improved Version	p. 90
Inserting Commas and Other Strings	p. 91
Making Methods Available in Public Classes	p. 94
Methods for Playing Cards: Factorials, Combinations, and Probabilities	p. 97
Recursion	p. 101
Exercises	p. 105
Objects and Classes	p. 106
Including Values in a Boat Object	p. 106
Including Methods in a Class	p. 110
Multiple Objects (Instances) of a Class	p. 111
Constructors	p. 114
Arrays of Objects	p. 115
Inheritance: Creating a Class by Extending Another Class	p. 117
Constructors for Subclasses That Call the Superclass Constructor	p. 119
Abstract Classes: No Objects Allowed	p. 120
Polymorphism	p. 120
Static Variables and Methods	p. 124
Overriding Methods	p. 126
Exercises	p. 135
Graphics	p. 136
Java Commands for Drawing and Filling Shapes	p. 136
Smiling Face Applet	p. 140
Converting a Java Applet to a Windows-based Java Application	p. 145
Colors	p. 149
Mathematical Curves	p. 151
JAR Files	p. 161
Time Series Line Graph	p. 162
Fonts	p. 166
Including a Graphing Method in Our Boat Class	p. 168
Exercises	p. 171
Files	p. 172
Input and Output from Text Files	p. 172
Generating the HTML File for an Applet	p. 172
Writing to a File Named by the User	p. 175
Reading from a Text File	p. 176
Copying from One File to Another	p. 177
Copying Selected Lines of One File to Another File	p. 178
Alphabetizing the Lines in a File	p. 181
Files of Objects	p. 183
File Dialog Window	p. 186
Exercises	p. 189
Mathematical Operations	p. 190
Square Root (sqrt) and Absolute Value (abs)	p. 190
Trigonometric Functions (sin, cos, tan)	p. 191
Polar Coordinates	p. 194
Pie Charts	p. 197
Logarithms and Exponential Functions	p. 202
Numerical Integration	p. 204
Exercises	p. 206
Windows Programming: Mouse Clicks and Buttons	p. 210
Windows, Events, and the Abstract Windowing Toolkit (AWT)	p. 210
Mouse Clicks	p. 212
Dynamic Graphs	p. 215
Buttons	p. 219
Outline Code	p. 220
Programming with Buttons to Change Colors	p. 221
Exercises	p. 227
Windows Programming: Dialog Boxes and Menus	p. 228
Message Boxes	p. 228
Input Boxes	p. 233
Check Boxes, Radio Buttons, and Choice Boxes	p. 235
Menus	p. 241
Including a Menu in an Applet	p. 250
Exercises	p. 254
Windows Programming: Keyboard Input, Printing, Scrolling, and the Clipboard	p. 255
Text Fields	p. 255
Key Events	p. 256
A Printing Example: A Curve Graphing Program with an Adjustable Scale	p. 259
Scrolling	p. 275
Using the Clipboard in a Small Word Processing Program	p. 278
Exercises	p. 287
Programming Strategy	p. 288
Computers and Programming Languages	p. 288
Why Program in Java?	p. 289
Guidelines for Writing Java Programs	p. 293
Fixing Compiler Errors	p. 296
Exceptions	p. 300
Logic Errors	p. 302
Games	p. 304
Types of Computer Games	p. 304
Scoreboard Timer	p. 305
Quick Trivia Quiz Game	p. 308
Football Strategy Game	p. 315
Bouncing Balls	p. 322
Exercises	p. 326
Scientific Applications	p. 327
Scientific Models	p. 327
Navigating Across the Surface of the Earth	p. 328
This Is Only the Beginning	p. 335
Exercises	p. 336
Appendices
Summary of Java Keywords and Standard Packages and Classes	p. 340
HTML	p. 343
About the Disc	p. 345
Standard Variable Names Used in This Book	p. 347
Code Generator	p. 349
Index	p. 358
Table of Contents provided by Syndetics. All Rights Reserved.