The ____________________ keyword is an optional keyword to display shadows within the object.

A stack is the ideal collection to use when _______________________

a) implementing a radix sort b) evaluating a postfix expression c) modeling customers standing in line at the checkout of a grocery store d) finding the largest number in an array e) none of the above

_____ technology uses radio frequency identification (RFID) tags to identify and monitor the movement of each individual product, from a factory floor to the retail checkout counter.

A. EPC (electronic product code) B. EPOD (electronic proof of delivery) C. MCC (magnetic character code) D. RTPD (real-time product delivery)