JavaFx close window on pressing esc?

Question

Im calling a new stage in my program which I like to close on pressing escape. I did this which gives me a NullPointerException:

    scene.setOnKeyPressed(ne         


        

Answer 1

Add the event handler to the stage/window you want to close on ESC.

JavaFX 8 style:

    stage.addEventHandler(KeyEvent.KEY_RELEASED, (KeyEvent event) -> {
        if (KeyCode.ESCAPE == event.getCode()) {
            stage.close();
        }
    });