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
  • 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
    • for Loops
    • while Loops
    • do-while Loops
    • Exiting a Loop
    • Naming a Loop
    • Workshop: Teaching Your Computer a Lesson
    • Summary
    • Q&A
    • Quiz
    • Activities
  • 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

The following questions will test your knowledge of loops. In the spirit of the subject matter, repeat each of these until you get them right.

Questions

1. What must be used to separate each section of a for statement?
   1. commas
   2. semicolons
   3. off-duty police officers
2. Which statement causes a program to go back to the statement that began a loop and then keep going from there?
   1. continue
   2. next
   3. skip
3. When it comes to borrowing a car from your father, what lesson did you learn during this hour?
   1. Don't even think about it.
   2. Speak softly and carry a big stick.
   3. It's better to beg forgiveness than to ask permission.

Answers

1. b. Commas are used to separate things within a section, but semicolons separate sections.
2. a. The break statement ends a loop entirely, and continue skips to the next go-round of the loop.
3. c. Though I'm not sure my father has completely forgiven me for that incident in 1987.

Share This