C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

What is a custom exception?

1 672

throw Can constructors exceptions?

1 648

What is the purpose of the noexcept keyword?

1 667

What is RAII (Resource Acquisition Is Initialization)?

1 669

What is the purpose of decltype?

1 670

What is std::move?

1 640

What is the difference between std::vector and std::list

1 717

What are friend functions?

1 643

Friend functions can access private and protected members of a class.

1 710

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Un-Answered Questions { C++ General }

What is the array and initializing arrays in c++?

992

Write a program using GUI concept for the scheduling algorithms in Operating system like SJF,FCFS etc..

3800

What is a .lib file in c++?

951

Is main a class in c++?

966

What is the benefit of learning c++?

939

True or false, if you keep incrementing a variable, it will become negative a) True b) False c) It depends

2331

What does getch() do according to the ANSI C++ standard a) Reads in a character b) Checks the keyboard buffer c) Nothing in particular (Its not defined there)

1011

Can comments be longer than one line?

1027

What will happen if a pointer is deleted twice?

1141

Where Malloc(), Calloc(), and realloc() does get memory?

1011

Differentiate between an external iterator and an internal iterator? What is the advantage of an external iterator.

1016

What is format for defining a structure?

1041

What is bubble sort c++?

963

Are iterators pointers?

1109

What is a pointer how and when is it used?

1048

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