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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