class KaffeBar {

    static class Barista implements Runnable {

        private final Monitor monitor;

        Barista(Monitor monitor) {
            this.monitor = monitor;
        }

        @Override
        public void run() {
            try {
                Thread.sleep(1000);
                monitor.leggTilKaffe();
            } catch (InterruptedException e) {
                System.err.println("Unntak");
            }
        }
    }

    static class Baker implements Runnable {

        private final Monitor monitor;

        Baker(Monitor monitor) {
            this.monitor = monitor;
        }

        @Override
        public void run() {
            try {
                Thread.sleep(3000);
                monitor.leggTilKaker();
            } catch (InterruptedException e) {
                System.err.println("Unntak");
            }
        }
    }

    static class Gjest implements Runnable {

        private final Monitor monitor;

        Gjest(Monitor monitor) {
            this.monitor = monitor;
        }

        @Override
        public void run() {
            try {
                monitor.hentOrdre();
                Thread.sleep(10000);
            } catch (InterruptedException e) {
                System.err.println("Unntak");
            }
        }
    }

    public static void main(String[] args) {
        Monitor monitor = new Monitor();
        Thread barista = new Thread(new Barista(monitor));
        Thread baker = new Thread(new Baker(monitor));
        Thread gjest = new Thread(new Gjest(monitor));
        barista.start();
        baker.start();
        gjest.start();
        try {
            gjest.join();
        } catch (InterruptedException e) {
            System.err.println("Unntak i main");
        }
    }
}