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

C++ General Interview Questions

Questions Answers Views Company eMail

Define pure virtual function?

983

Discuss the effects occur, after an exception thrown by a member function is unspecified by an exception specification?

1072

Write my own zero-argument manipulator that should work same as hex?

1053

What is the role of copy constructor in copying of thrown objects?

1068

Write about the various sections of the executable image?

971

What happens when the extern "c" char func (char*,waste) executes?

1088

How can I disable the "echo" feature?

1164

Can you explicitly call a destructor on a local variable?

1028

What is the difference between an external iterator and an internal iterator? Describe an advantage of an external iterator?

1116

Describe the role of the c++ in the tradeoff of safety vs. Usability?

1213

Is it possible for the objects to read and write themselves?

1098

How can you link a c program with a c function?

1071

What is a forward referencing and when should it be used?

1165

What are smart pointers?

3 2269

How does a copy constructor differs from an overloaded assignment operator?

1036

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Un-Answered Questions { C++ General }

What is a catch statement?

1047

What is a wchar_t in c++?

1136

Explain deep copy?

1053

A prime number is a number which is divisible only by itself and 1. Examples of the first few primes are 2, 3, 5, 7, 11. Consider writing a program which can generate prime numbers for you. Your program should read in and set a maximum prime to generate and a minimum number to start with when looking for primes. This program should be able to perform the following tasks: 1. Read the maximum number from user (keyboard input) to look for primes. The program should not return any primes greater than this number. 2. Read the minimum number from user (keyboard input) to look for primes. The program should not return any primes less than this number. 3. Generate and print out every prime number between the maximum prime and minimum number specified by the user.

2172

Will the following program execute?

1030

What is constructor c++?

1115

If dog is a friend of boy, and terrier derives from dog, is terrier a friend of boy?

1035

What will strcmp("Astring", "Astring"); return a) A positive value b) A negative value c) Zero

1099

Using a smart pointer can we iterate through a container?

1079

What is algorithm in c++ programming?

1124

What is a forward referencing and when should it be used?

1165

Can c++ be faster than c?

1032

What is a map in c++?

1203

What is iterator c++?

986

How to defines the function in c++?

1129

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