Hour 22: Playing Sound Files

Notes and Corrections

• None.

Source Files

• LaughButton.class
• LaughTrack.class
• LaughTrack.java
• MathMan.class
• MathMan.html
• MathMan.jar
• MathMan.java
• MathMan2.html
• SubtractMan.class
• SubtractMan.html
• SubtractMan.java
• equals.wav
• laugh0.wav
• laugh1.wav
• laugh2.wav
• laugh3.wav
• minus.wav
• number0.wav
• number1.wav
• number10.wav
• number2.wav
• number3.wav
• number4.wav
• number5.wav
• number6.wav
• number7.wav
• number8.wav
• number9.wav
• plus.wav

Reader Questions

• None.

Activities

• Solution #1: SubtractMan.java, SubtractMan.class, SubtractMan.html, and minus.wav.
• Solution #2: LaughTrack isn't an applet, so you should create a JAR archive for the MathMan applet and all of its audio files instead. Using MathMan.jar, the solution is MathMan2.html. A command you can use to create the archive:
  • jar cf MathMan.jar Math*.class number*.wav plus.wav