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

Explain data encapsulation?

1129

Can you please explain the difference between overloading and overriding?

1108

Explain polymorphism?

1078

Do you know what are pure virtual functions?

1150

Can you please explain the difference between using macro and inline functions?

1043

What is prototype for that c string function?

1138

Explain virtual destructor?

1201

Tell me can a pure virtual function have an implementation?

1033

How one would use switch in a program?

1078

Do you know the problem with overriding functions?

1109

What relational operators if statements in c++?

1180

Explain the isa and hasa class relationships.

1038

Explain differences between alloc() and free()?

1139

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

Will this c++ program execute or not?

1095

Un-Answered Questions { C++ }

Const char *p , char const *p What is the difference between the above two?

1217

What is the equivalent of Pascal's Real a) unsigned int b) float c) char

1021

How to declare an array of pointers to integer?

1143

Is it possible for a member function to use delete this?

1080

What is the difference between a reference and a pointer?

1118

Explain storage qualifiers in c++.

1081

What is the use of setprecision in c++?

1016

How does c++ structure differ from c++ class?

1131

Why do we use constructor?

1060

What is abstract class in oops?

1026

Explain virtual class and friend class.

1052

Explain stl.

1362

What is a COPY CONSTRUCTOR and when is it called?

1009

can inline function declare in private part of class?

4412

Is c# written in c++?

986

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