Maps allocate keys to values and cannot contain duplicate keys, i.e., the key-to-value mapping is a __________ mapping.

a. many-to-many.
b. many-to-one.
c. one-to-many.
d. one-to-one.


D

Computer Science & Information Technology

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Select the false statement. The new operator:

a. Can attempt to allocate as much memory as the programmer requests. b. Returns a pointer to a location in memory. c. Can indicate failure differently on different compilers. d. Throws a bad_alloc exception regardless of what function is registered with set_new_handler.

Computer Science & Information Technology

Input and discard the next six characters in the input stream.

What will be an ideal response?

Computer Science & Information Technology

In the following code, which lines make up all of the accessor methods?0 public class Bus {1 private BankAccount ba;2 private double fuelLeft;3 private final double FUEL_MAX = 40.0;4 private final double FUEL_COST = 3.54;5 public Bus(BankAccount baRef) {6 fuelLeft = 0;7 ba = baRef;8 }9 public void fillTank() {10 double cost = (FUEL_MAX - fuelLeft) * FUEL_COST;11 if (ba.pay(cost) == true) {12 fuelLeft = FUEL_MAX;13 }14 }15 public double getFuelLeft() {16 return fuelLeft;17 }18 }

A. Lines 9-14 B. Lines 15-17 C. Lines 9-17 D. Lines 5-8

Computer Science & Information Technology

What is the triangle marking in one corner of a CPU or APU used for?

a. Directs installer to the position of the CPU fan connection b. Indicates airflow requirements for fan c. Indicates location of heatsink d. Helps assure CPU or APU is properly aligned in socket

Computer Science & Information Technology