C++ Interview                  Questions You Need          to Know in 2024

12

What is the difference between virtual functions and pure virtual functions?

1

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2

If class D is derived from a base class B. When creating an object of type D in what order would the constructors of these classes get called?

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3

Can we call a virtual function from a constructor?

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4

What is the main use of the keyword “Volatile”?

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5

What is a mutable storage class specifier? How can they be used?

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6

When is void() return type used?

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7

What is the difference between shallow copy and deep copy?

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8

What are void pointers?

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9

What is STL?

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10

Define inline function. Can we have a recursive inline function in C++?

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11

Is deconstructor overloading possible? If yes then explain and if no then why?

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12

Can you compile a program without the main function?

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