Tip: Java in Opera 9
If you're like me, you've been having a rough time getting Java to work in Opera 9. I installed Java, clicked 'Enable Java' in Opera, and pointed Opera to my Java directory: /usr/java/jre1.5.0_07/lib/i386/ . However, Java would never work and Opera kept unchecking the 'Enable Java' box.
To make Opera 9 run with Java enabled just run Opera with this code: