Editing programs “while they are running”? How?

This question is a corollary to: Editing programs “while they are running”? Why?

Creating Android apps without Java

I'd like to start creating Android apps but I don't like Java. I read that scala can be used to do it. Are there another option?(Clojure?)

Android without Java

After doing the whole "enterprise" programming for a while, I'm seriously disillusioned by the language itself and always feel quite hampered if I have to go back to it. The project size of your average Android app isn't too intimidating and the libraries are actually quite nice regarding their coding style, but if I could avoid Java, I'd certainly do.

How can I transition from Java to Clojure?

After discovering Clojure I have spent the last few days immersed in it.