Constructors and Destructors (2)

9.

A class's __________ is called when an object is destroyed.

A.	constructor
B.	destructor
C.	assignment function
D.	copy constructor

Answer: Option B

Explanation:

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10.

Which of the following never requires any arguments?

A.	Member function
B.	Friend function
C.	Default constructor
D.	const function

Answer: Option C

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11.

Destructor calls are made in which order of the corresponding constructor calls?

A.	Reverse order
B.	Forward order
C.	Depends on how the object is constructed
D.	Depends on how many objects are constructed

Answer: Option A

Explanation:

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12.

A destructor takes __________ arguments.

A.	one
B.	two
C.	three
D.	no

Answer: Option D

Explanation:

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13.

Which of the following implicitly creates a default constructor when the programmer does not explicitly define at least one constructor for a class?

A.	Preprocessor
B.	Linker
C.	Loader
D.	Compiler

Answer: Option D

Explanation:

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14.

Which of the following statement is correct??

A.	A constructor has the same name as the class in which it is present.
B.	A constructor has a different name than the class in which it is present.
C.	A constructor always returns an integer.
D.	A constructor cannot be overloaded.

Answer: Option A

Explanation:

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15.

Which of the following statement is correct about destructors?

A.	A destructor has void return type.
B.	A destructor has integer return type.
C.	A destructor has no return type.
D.	A destructors return type is always same as that of main().

Answer: Option C

Explanation:

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16.

How many default constructors per class are possible?

A.	Only one
B.	Two
C.	Three
D.	Unlimited

Answer: Option A

Explanation:

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