There is also JRebel, which goes beyond hot code replacement: http://zeroturnaround.com/jrebel/ http://zeroturnaround.com/jrebel/ Works with pretty much anyth

There is also JRebel, which goes beyond hot code replacement: http://zeroturnaround.com/jrebel/ http://zeroturnaround.com/jrebel/ Works with pretty much anything JVM.