Sams Teach Yourself Java 2 in 24 Hours

By Rogers Cadenhead

• Table of Contents
  • Copyright
  • About the Author
  • About the Technical Editor
  • Acknowledgments
  • We Want to Hear from You!
  • Reader Services
  • Introduction
  • Hour 1. Becoming a Programmer
    • Choosing a Language
    • Telling the Computer What to Do
    • How Programs Work
    • How Programs Don't Work
    • Next Stop: Java
    • Workshop: Installing a Java Development Tool
    • Summary
    • Q&A
    • Quiz
    • Activities
  • Hour 2. Writing Your First Program
  • Hour 3. Vacationing in Java
  • Hour 4. Understanding How Java Programs Work
  • Part II: Learning the Basics of Programming
  • Hour 5. Storing and Changing Information in a Program
  • Hour 6. Using Strings to Communicate
  • Hour 7. Using Conditional Tests to Make Decisions
  • Hour 8. Repeating an Action with Loops
  • Part III: Working with Information in New Ways
  • Hour 9. Storing Information with Arrays
  • Hour 10. Creating Your First Object
  • Hour 11. Describing What Your Object Is Like
  • Hour 12. Making the Most of Existing Objects
  • Part IV: Programming a Graphical User Interface
  • Hour 13. Building a Simple User Interface
  • Hour 14. Laying Out a User Interface
  • Hour 15. Responding to User Input
  • Hour 16. Building a Complex User Interface
  • Part V: Creating Multimedia Programs
  • Hour 17. Creating Interactive Web Programs
  • Hour 18. Handling Errors in a Program
  • Hour 19. Creating a Threaded Program
  • Hour 20. Reading and Writing Files
  • Part VI: Creating Multimedia Programs
  • Hour 21. Using Fonts and Color
  • Hour 22. Playing Sound Files
  • Hour 23. Working with Graphics
  • Hour 24. Creating Animation
  • Part VII: Appendixes
  • Appendix A. Tackling New Features of Java 2 Version 1.4
  • Appendix B. Using the Java 2 Software Development Kit
  • Appendix C. Programming with the Java 2 Software Development Kit
  • Appendix D. Using Sun ONE Studio
  • Appendix E. Where to Go from Here: Java Resources
  • Appendix F. This Book's Web Site

Quiz

Test your knowledge of the material covered in this chapter by answering the following questions.

Questions

1. Which of the following is not a reason that people think computer programming is painfully difficult?
   1. Programmers spread that rumor to improve their employment prospects.
   2. Jargon and acronyms are all over the place.
   3. Mind-control waves are sent out by the CIA promoting this belief.
2. What kind of tool runs a computer program by figuring out one line at a time?
   1. A slow tool
   2. An interpreter
   3. A compiler
3. Why did James Gosling hole up in his office and create Java?
   1. He was unhappy with the language he was using on a project.
   2. His rock band wasn't getting any gigs.
   3. When you can't download any MP3 files at work, the Internet is pretty dull.

Answers

1. c. Of course, the CIA could have forced me to say this.
2. b. Compilers figure out the instructions beforehand so the program can run faster.
3. a. At the time Gosling created Java, people thought that "MP3" was some kind of British secret service designation.

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