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 Copy Constructor?

ABC, Siemens,

5 33545

What is an abstract class?

Siemens,

6 14203

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

HFG, Siemens,

3 14040

What is a virtual base class?

Fidelity, Siemens,

6 26171

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

HP, Infosys, Thyrocare,

23 76718

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

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

14 113044

What and all can a compiler provides by default?

Accenture, HP,

3 16949

What are the different operators in C++?

HP,

3 14871

What is the difference between method and message?

HP,

5 59280

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67626

when can we use copy constructor?

HP,

6 18176

Describe functional overloading?

HP,

6 13517

Difference between Overloading and Overriding?

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

35 208350

Difference between Operator overloading and Functional overloading?

HP,

10 55426

What is virtual constructor paradigm?

HCL, HP,

5 17216

Un-Answered Questions { C++ }

Which is the best c++ compiler for beginners?

1164

What do you understand by pure virtual function? Write about its use?

1049

What are main features of oop?

1186

What is a COPY CONSTRUCTOR and when is it called?

1071

Is it possible to get the source code back from binary file?

1438

What is a stl vector?

1377

Why multiple inheritance is not allowed?

1264

Define Virtual function in C++.

1152

How is polymorphism achieved?

1118

What is pointer -to-members in C++? Give their syntax?

1082

write a programe to calculate the simple intrest and compund intrest using by function overlading

2265

Is data hiding and abstraction same?

1109

write a program that takes input in digits and display the result in words from 1 to 1000

2490

How does class accomplish data hiding in c++?

1240

Write about the role of c++ in the tradeoff of safety vs. Usability?

1130

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