Method stop

src/main/java/ui/VirtualCanvas.java:447–453

()

            timer.schedule(repeater, 400, 100);
        }
        public static void stop() {
            Timer t = timer;
            if (null != t) {
                t.cancel();
                t = null;
            }
        }

        private KeyRepeatTimer(int keyCode) {
            key = keyCode;