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Jack Shirazi

Jack Shirazi has been a Java Champion ( since 2005; is the founder of, the world's premier site for Java performance information; is the owner of; is the author of O'Reilly's "Java Performance Tuning"; and is senior Java developer at At, Jack has published several thousand performance tips as well as many articles about performance tools, discussion groups, and much more. Jack has also published work on protein structure prediction and black hole thermodynamics, and contributed to some Perl5 core modules.


jacksjpt's blog

Java Case Studies

Posted by jacksjpt on July 24, 2003 at 5:03 AM PDT

I love looking through case studies. They can teach you so much about what to do, what not to do, what is in vogue, etc. All those useful design patterns came from analyzing lots of case studies and seeing what worked; and sometimes, more importantly, what didn't work.

So this year I decided to start listing case studies when I find them.

JavaOne programming puzzlers

Posted by jacksjpt on July 18, 2003 at 7:10 AM PDT

I've been going through the published slides from the JavaOne presentations, and I've already extracted the majority of the performance tips (here and here ).