Chapter 9

Question 1

What is destructor

Answer 1

Destructor is used to free the memory that is allocated through dynamic memory allocation. It destroy object when it goes out of scope. Destructor name is same as class name with ~ as prefix

Question 2

Destructors can not be overloaded. True of FALSE

Answer 2

True

Question 3

How destructor called

Answer 3

In reverse order

Question 4

What are accessor functions

Answer 4

Accessor functions are functions that are used to access data members that are defined in private.

Question 5

What is ‘this’ pointer

Answer 5

It is pointer to object. So if there are 100 objects in memory of a program, when a specific object calls its function, compiler send a parameter automatically which tells which object is called.

Question 6

Which variable is called this pointer

Answer 6

The variable that contains self-address is called this pointer.

Question 7

What is the deceleration of this pointer

Answer 7

datatype * const this;