Lecture 6: Constants

Question 1

Initializer list is used for

Answer 1

const data members

Question 2

Syntax of initializer list

Answer 2

Class::Class(int a, int b): A(a), B(b)

{}

Question 3

Values are assigned in the initializer list in what order?

Answer 3

Order of declaration in class

Question 4

When can the value of a const object be changed

Answer 4

Constructor and destructor

Question 5

What is the main issue with const object?

Answer 5

Cannot access non const member function

Question 6

Syntax for const member functions

Answer 6

int Date::get_month() const
{}
//both prototype and header

Question 7

Both const and non const member functions can be called by

Answer 7

non const objects

Question 8

3 functions that cannot be declared const

Answer 8

constructors
destructors
static member functions

Question 9

Syntax of pointer to object

Answer 9

Date date, * dptr;

dptr = &date;

Question 10

Syntax of const pointer to object

Answer 10

Date date;
Date * const dptr = &date;

Question 11

Syntax of pointer to const object

Answer 11

Date date;

const Date * dptr = &date;

Question 12

Syntax of const pointer to const object

Answer 12

Date date;
const Date * const dptr = &date;

Question 13

In const member functions, this pointer is passed as

Answer 13

const pointer to const object