@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Room other = (Room) obj;
		if (building == null) {
			if (other.building != null)
				return false;
		} else if (!building.equals(other.building))
			return false;
		if (roomNumber == null) {
			if (other.roomNumber != null)
				return false;
		} else if (!roomNumber.equals(other.roomNumber))
			return false;
		return true;
	}