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

STL (138)
OOPS (871)
C++ General (2333)

C++ Interview Questions

Questions Answers Views Company eMail

What is Copy Constructor?

ABC, Siemens,

5 14761

What is an abstract class?

Siemens,

4 7527

What is the difference between creating an object, using 'new' and using 'malloc'?

HFG, Siemens,

3 9028

What is a virtual base class?

Fidelity, Siemens,

6 19510

What is OOPS and How it is different from Procedural Programming ?

HP, Infosys, Thyrocare,

23 57203

Difference between Top down and bottom up approaches for a given project ?

BSNL, CSC, HCL, HP, IIT, Infosys, Siemens,

14 99069

What and all can a compiler provides by default?

Accenture, HP,

3 11925

What are the different operators in C++?

HP,

3 11665

What is the difference between method and message?

HP,

5 45506

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 51168

when can we use copy constructor?

HP,

6 13227

Describe functional overloading?

HP,

6 8589

Difference between Overloading and Overriding?

Appnetix Techno, GameLoft, HP, IBM, NIIT, Rohde and Schwarz,

35 184369

Difference between Operator overloading and Functional overloading?

HP,

10 46707

What is virtual constructor paradigm?

HCL, HP,

5 11162

Un-Answered Questions { C++ }

What is singleton class in c++?

141

Explain the difference between new() and malloc() in c++?

174

How the endl and setw manipulator works?

145

What is virtual base class?

164

Why c++ is better than c language?

142

What are the uses of static class data?

185

What are compilers in c++?

139

What is the difference between public, private, and protected inheritance?

155

Explain overriding.

158

What is size_type?

127

What should main() return in c and c++?

159

Comment on c++ standard exceptions?

166

What is virtual table?

167

Can we use this pointer in a class specific, operator-overloading function for new operator?

172

What is flush programming?

136

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