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 problems might the following macro bring to the application?

1057

Define the process of error-handling in case of constructor failure?

1016

Can we get the value of ios format flags?

1141

Can I have a reference as a data member of a class? If yes, then how do I initialise it?

1230

Which recursive sorting technique always makes recursive calls to sort subarrays that are about half size of the original array?

1007

How new/delete differs from malloc()/free?

1145

describe private access specifiers?

1240

How can a struct in c++ differs from a struct in c?

1046

On throwing an exception by the animal constructor in p = new animalq, can memory leak occur?

1134

Explain how overloading takes place in c++?

1047

Is it possible to use a new for the reallocation of pointers ?

1064

How const int *ourpointer differs from int const *ourpointer?

1139

What can I safely assume about the initial values of variables which are not explicitly initialized?

1061

Can you be able to identify between straight- through and cross- over cable wiring? And in what case do you use straight- through and cross-over?

1110

Explain some examples of operator overloading?

1124

Un-Answered Questions { C++ }

Which is not a valid keyword a) public b) protected c) guarded

1263

Who wrote stl?

1135

What is the two main roles of operating system?

1042

What is the purpose of ios::basefield in the following statement?

1262

What are benefits of oop?

1135

What is the full form of oops?

1194

Is C++ case sensitive a) False b) Depends on implementation c) True

1084

Where Malloc(), Calloc(), and realloc() does get memory?

1056

What are built-in functions? What is the syntax for the definition?

1085

What are keywords in c++?

1101

What is the full form of india?

1131

How would you differentiate between a pre and post increment operators while overloading?

1149

Explain class invariant.

1065

How do pointers work?

1181

Difference between inline functions and macros?

1045

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