Consider classes A, B and C, where A is an abstract superclass, B is a concrete class that inherits from A and C is a concrete class that inherits from B. Class A declares abstract method originalMethod, implemented in class B. Which of the following statements is true of class C?
a. Method originalMethod cannot be overridden in class C—once it has been implemented in concrete class B, it is implicitly final.
b. Method originalMethod must be overridden in class C, or a compilation error will occur.
c. If method originalMethod is not overridden in class C but is called by an object of class C, an error occurs.
d. None of the above.
d. None of the above.
Computer Science & Information Technology
You might also like to view...
________ can improve performance by reducing loop overhead, increasing instruction parallelism by improving pipeline performance, and improving register, data cache, or TLB locality.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
To add an int value 5 to a vector v of integers, use _________.
a. v.push_back(5); b. v.add(5); c. v.append(5); d. v.insert(5);
Computer Science & Information Technology