Closing only PApplet with exit() code

[micycle]

Prevent one Processing window from closing others

I’ve done some digging – inspired by @GoToLoop and @quark – and have found a solution. Closing sketches in P2D and JAVA2D renderer modes calls the PApplet instance’s exitActual() method, which contains the line System.exit(0) – a static method – which terminates the currently running Java virtual machine. Overriding exitActual() with nothing (i.e. preventing the call to System.exit(0)) prevents sketches from closing others, fixing the issue, but introduces another problem in the case of P2D s…