What statement regarding the use of destructors is accurate?
A. A destructor performs actions when a class is instantiated.
B. A destructor must be explicitly created.
C. To declare a destructor, you must use a dash - followed by the class name.
D. You cannot provide any arguments to a destructor.
Answer: D
You might also like to view...
A DHCP server dynamically assigns what to the machines on an as-needed basis?
a. MAC address b. IP address c. Protocol address d. All of these answers are correct. e. None of these answers is correct.
For each of the following queries, state whether the query is valid and for the valid ones should how each of the queries would be mapped onto a query on the underling base tables.
Consider the following view defined on the Hotel schema: CREATE VIEW HotelBookingCount (hotelNo, bookingCount) AS SELECT h.hotelNo, COUNT(*) FROM Hotel h, Room r, Booking b WHERE h.hotelNo = r.hotelNo AND r.roomNo ? b.roomNo GROUP BY h.hotelNo; (a) SELECT * FROM HotelBookingCount; (b) SELECT hotelNo FROM HotelBookingCount WHERE hotelNo = ‘H001’; (c) SELECT MIN(bookingCount) FROM HotelBookingCount; (d) SELECT COUNT(*) FROM HotelBookingCount; (e) SELECT hotelNo FROM HotelBookingCount WHERE bookingCount > 1000; (f) SELECT hotelNo FROM HotelBookingCount ORDER BY bookingCount;
To open a file in PHP, you use the _________ function.
a. fopen() b. fputs() c. open() d. fp()
Company C is selling part of its business to Company D. The assets include a small plant, its network and 50 employees. In the transition, which of the following actions would pose the most risk to Company C?
A. a temporary joining of Company C and Company D networks B. a temporary joining of the plant network and Company D network C. a temporary assignment of three technicians from Company C to the Company D network to help in the transition D. a temporary assignment of three technicians from the Company D to the Company C network to help in the transition