Drag the Java 7 runtime to the top of the runtime list, or uncheck other runtimes listed. (click for larger view) Screenshot by Topher Kessler/CNET To install the Java 7 development kit for OS X ...

According to Pwnagetool.com, the latest Java app for the 5.0.1 untethered jailbroken device is released. To integrate Java, all you need to do is jailbreak your iPhone/iPod Touch and install Cydia.