2 results for technology, ide...
If you ever try and startup Intellij and see this error: "Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file....", you'll know that something's not quite right. It turns out that Intellij version 7 and above require JDK 6 to run properly. So, make sure to double-check the following points.
Development on JEE projects can be a real pain sometime. 1/2 of this (sometimes in literal minutes) is because of the need to spin up the server in order to run your code. This server startup time can be a killer of one's development momentum.
True to its mantra, IntelliJ IDEA delivers some goodness is making this pain a little more pleasurable -- if that's possible.