Markus Persson : (2) " Having built-in video recording capabilities for a game that focuses on user-generated content might be a very good thing. " - Markus Persson " Specifically, my favorite tool in Java is hot code swapping in debug mode, meaning I can edit the code while the game is running and immediately see the results in the running game. This is super great for rapid tweaking. " - Markus Persson