I love Play!. Compared to other enterprise Java frameworks, it\'s incredibly simple for the developer to use. But, how does it do that? What makes the edit-refresh cycle pos
Play uses the Eclipse compiler to compile code at run-time.
Take a look at the following class, that is used by Play to perform the necessary compilation at run time.
https://github.com/playframework/play/blob/master/framework/src/play/classloading/ApplicationCompiler.java