/*
 * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
 * Date: 2022-04-21
 * Description: This is the class of Door.
 */

public class Door {
	/**
	 * Indicator of whether the door is open or not. Default is closed
	 */
	private boolean isOpen;

	/**
	 * Constructor.
	 */
	public Door() {
		isOpen = false;
	}

	/**
	 * Get whether the door is open or not.
	 *
	 * @return true if the door is open, false otherwise
	 */
	public boolean isOpen() {
		return isOpen;
	}

	/**
	 * Open the door.
	 */
	public void open() {
		isOpen = true;
	}

	/**
	 * Close the door.
	 */
	public void close() {
		isOpen = false;
	}

	/**
	 * Test.
	 */
	public static void testDoor() {
		Door d = new Door();
		System.out.println(d.isOpen() == false);
		d.close();
		System.out.println(d.isOpen() == false);
		d.open();
		System.out.println(d.isOpen() == true);
	}
}