C++ Constructors Question:
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What happens when a class with parameterized constructors and having no default constructor is used in a program and we create an object that needs a zero-argument constructor?

A. Compile-time error.
B. Preprocessing error.
C. Runtime error.
D. Runtime exception.

Answer:

Option A
Compile-time error.

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A constructor that accepts __________ parameters is called the default constructor.

A. one
B. two
C. no
D. three
Can a class have virtual destructor?

A. Yes
B. No