Snail4j provides self-paced Java education, with a focus on troubleshooting performance problems. It is a load-test-in-a-box -- a library of commonly found performance defects (and their antidotes) that run on your desktop. Also good for code reviewing the performance of your own code.
- Installs/runs in less than 5 minutes.
- Runs on MS-Win, Mac, and Linux
- Pure Java (and I guess browser)
- Uber jar distribution
- Installs from a USB stick, no internet access required.