I've managed to have NetBeans work, but it's unusable since the editor has problems probably with the font metrics...
Forte installer does the same with me... extracting... and then nothing.
After trying several Java application, I'm VERY disappointed about the speed. My G4 400 MHz, 256 Mb runs Java MUCH slower than my PIII 400 Mhz 256 Mb I have at work.
Why do Apple always have problems with Java when everybody else manage to have decent virtual machines...?