Object Oriented Programming With C Plus Plus - Multiple Choice Questions -013

121. ________ supports simultaneous input and output operations on file.

A. ifstream.

B. fopen.

C. ostream.

D. fstream.

ANSWER: D

122. ________ is a default access specifier for members of class in C++.

A. protected

B. public

C. private

D. default

ANSWER: C

123. A Class can have how many destructor?

A. 1

B. 2

C. 3

D. 4

ANSWER: A

124. The parameter list in function overloading must differ by?

A. Number of functions

B. Function Size

C. Function Name

D. Number of argument

ANSWER: D

125. Data members is also called?

A. Attribute

B. Method

C. Class

D. Object

ANSWER: A

126. In how many ways is polymorphism achived in C++?

A. 2

B. 1

C. 3

D. 4

ANSWER: C

127. A __________ is a special method used to initialize the instance variable of a class.

A. Member function

B. Destructor

C. Constructor

D. Structure

ANSWER: C

128. The ______ keyword brings the members of a namespace into view.

A. view.

B. using.

C. additive.

D. show.

ANSWER: B

129. If class A inherits from class B, then B is called _______ of A. A is called ________ of B.

A. Super class, Sub class

B. Subclass, Super class

C. Abstract class, Base Class

D. Child class, Sub Class

ANSWER: A

130. ________ is the mechanism which allows a class A to inherit properties of a class B.

A. Data abstraction

B. Encapsulation

C. Inheritance

D. Polymorphism

ANSWER: C