Any Questions?

• Questions from last class

Today's Topics: Threads and Animation

Threads

• What is a thread?

• An Example of Two Simple, Independent Threads

• A Clock Example

• Summary: Creation and Death of Threads

• Two Threads that Share A Common Resource: A Simple Synchronization Problem with a Random Producer and a Hungry Consumer

• Summary: Possible Thread States

Animation (and More Threads)

• From JDK, the relevant components are the ones used for threads and the AWT

• What is animation?

• Traffic/Pedestrian Lights

• Thermometer animation (Eliminating Flashing by Overriding Update())

• Moving Checkerboard (Dealing with Flashing and Crawling Using Double Buffering)

• Ticker Tape(?)

• Animation Templates

• Summary

Some Common Problems (and Possible Solutions)

Related material from the textbooks

• The Java 1.1 Developer's Handbook, chapters 7 and 8.

• Late Night Advanced Java, chapters 11 and 15. However, I have not read these chapters so cannot vouch for their effectiness.