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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

What is the use of register keyword with the variables?

943

Out of fgets() and gets() which function is safe to use?

1134

What is the size of integer variable?

1065

What do you mean by const correctness?

1090

We use library functions in the program, in what form they are provided to the program?

1096

Which format specifier is used for printing a pointer value?

1064

What do you mean by funtion prototype?

1083

What are the uses of pointers?

1075

What do you mean by function pointer?

1114

Describe linkages and types of linkages?

998

Is arr and &arr are same expression for an array?

1057

What is the use of bit fields in structure declaration?

987

What is the prototype of printf function?

1187

Eplain extern keyword?

1030

What is the difference between structures and unions?

1064

Un-Answered Questions { C++ }

Do vectors start at 0 c++?

1030

How does stack look in function calls? When does stack overflow? What can you do to remedy it?

979

How are the features of c++ different from c?

1101

Is c++ a difficult language?

1125

Can we specify variable field width in a scanf() format string? If possible how?

1267

What is the use of structure in c++?

1039

Explain the volatile and mutable keywords.

1070

What is function overloading and operator overloading in C++?

1105

What is pure virtual function?

1066

Explain static and dynamic memory allocation with an example each.

1109

Suppose that data is an array of 1000 integers. Write a single function call that will sort the 100 elements data [222] through data [321].

1457

Difference between overloading vs. Overriding

1089

What is auto type c++?

1127

If dog is a friend of boy and boy is a friend of house, is dog a friend of house?

1011

How many times will this loop execute? Explain your answer.

883

For More Un-Answered { C++ } Questions Click Here