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++ }

What is ambiguity in inheritance?

1120

What is the use of register keyword with the variables?

943

Explain the difference between struct and class in terms of access modifier.

1182

What is the highest level of cohesion?

1051

What is a try block?

1074

What are the types of abstraction?

1077

When does the c++ compiler create temporary variables?

1045

What is the use of bit fields in structure declaration?

987

How can you quickly find the number of elements stored in a a) static array b) dynamic array ? Why is it difficult to store linked list in an array?how can you find the nodes with repetetive data in a linked list?

1287

Do we have to use initialization list in spite of the assignment in constructors?

1007

Explain how we implement exception handling in c++?

1060

Define virtual constructor.

1096

Explain the scope of resolution operator.

1113

What is the main purpose of inheritance law?

1199

What is an incomplete type in c++?

1282

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