adplus-dvertising
frame-decoration

Question

What is the idea behind virtual functions?

a.

To allow a program to utilize an object's services without knowing which particular object type it is using.

b.

To make sure the compiler knows which specific descendant of a class will be passed to a function.

c.

To place all virtual functions in the .rdata section in the executable image.

d.

To hard-code pointers to all virtual function implementations within a specific class.

Posted under Reverse Engineering

Answer: (a).To allow a program to utilize an object's services without knowing which particular object type it is using. Explanation:The idea behind virtual functions is to allow a program to utilize an object’s services without knowing which particular object type it is using.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the idea behind virtual functions?

Similar Questions

Discover Related MCQs

Q. What should you check to confirm that a class method call is a regular, nonvirtual call?

Q. How do some compilers such as G++ pass the this pointer to a nonvirtual member function?

Q. What is the purpose of the this pointer?

Q. What are class methods?

Q. Why is the layout of an inherited class in memory important?

Q. How does the compiler arrange the classes in memory in an inherited class?

Q. What is inheritance in object-oriented programming?

Q. How is a plain-vanilla class with no inheritance implemented in assembly language?

Q. What is the purpose of the this pointer in a class?

Q. Why are classes important in object-oriented languages?

Q. What is a class in object-oriented design?

Q. What is the advantage of searching through a binary tree?

Q. What are the two pointers usually found in a binary tree item?

Q. What advantage do trees have over arrays?

Q. What is a binary tree?

Q. Can programs traverse a doubly linked list backward?

Q. What does the "previous" pointer in a doubly linked list point to?

Q. What advantage does a doubly linked list have over a singly linked list?

Q. What is the difference between singly linked lists and doubly linked lists?

Q. How are items in linked lists arranged in memory?