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

C++ General Interview Questions

Questions Answers Views Company eMail

Write a program for Divide a number with 2 and Print the output ( NOTE: Check for divide by zero error).

1111

What is function overloading in C++?

1 1427

Explain the scope resolution operator?

2 2023

How many ways are there to initialize an int with a constant?

1 1761

How does throwing and catching exceptions differ from using setjmp and longjmp?

1 1626

What is a conversion constructor?

1 1610

When should you use multiple inheritance?

2 2314

What is a virtual destructor?

2 1987

When is a template a better solution than a base class?

1 1711

What is a mutable member?

1 1438

What is an explicit constructor?

1 1554

What is the Standard Template Library?

1 1621

Describe run-time type identification?

1 1654

What problem does the namespace feature solve?

1 1562

Are there any new intrinsic (built-in) data types?

1 1535

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Un-Answered Questions { C++ General }

Comment on assignment operator in c++.

1116

How can you specify a class in C++?

1293

Explain the difference between realloc() and free() in c++?

1019

What is the role of static keyword for a class member variable?

1074

How many ways can a variable be initialized into in C++?

1022

Why we use #include iostream in c++?

1057

Perform addition, multiplication, subtraction of 2-D array using Operator Overloading.

3876

Mention the ways in which parameterized can be invoked.

931

How a pointer differs from a reference?

1347

Which of the following is not a valid declaration for main() a) int main() b) int main(int argc, char *argv[]) c) They both work

1082

If horse and bird inherit virtual public from animal, do their constructors initialize the animal constructor? If pegasus inherits from both horse and bird, how does it initialize animal’s constructor?

1211

Can a program run without main?

1245

Is it possible for a member function to delete the pointer, named this?

1167

What does new in c++ do?

1027

What is friend class in c++ with example?

1044

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