class Computer {

	public void shutDown() {
		System.out.println("Computer is shutting down.");
	}
}

interface Phone {
	public void call();
}

public class Application {

	public static void main(String[] args) {

		Computer computer1 = new Computer() {
			@Override
			public void shutDown() {
				System.out.println("MacBook is shutting down.");
			}

		};
		computer1.shutDown();

		Phone phone1 = new Phone() {
			public void call() {
				System.out.println("Calling...");
			}
		};

		phone1.call();
	}

}