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

write a program in c++ to implement stack using functions in header file stack.h

Google, Subex,

3 22939

implement stack using stack.h headerfile functions

Exilant, GMG, Subex, University,

1 9957

what is static function

Patni,

2 7289

why the size of an empty class is 1

4 12353

is throwing exception from a constructor not a good practice ?

Ericsson,

5 11464

swapping program does not use third variable

TCS,

5 8587

how to find no of instances of an object in .NET?

Infosys,

1 5555

How Do you Code Composition and Aggregation in C++ ?

IBM, NET,

3 25478

Please tell me the oops concept with detailed answer

EEE,

9 17359

how to swap to variables without using thrid variable in java?

5 8469

what is the usage of clas templates

5 7438

why can't we declare data member of class auto register or extern

1 5607

difference between c and c++?

Cognizant, IBM, Infosys, Oracle, Sarva Shiksha Abhiyan, Wipro,

38 127310

Tell me the scenario,Where we can use interfaces or Abstract class.And What is the difference between interfaces and abstract class?

5 19892

i had specified the access specifier for abstarct class member like (pure virtual function) as private.But it can be accessed by the derived class.How the private member of one class is accessed by other class.if any body face this problem and found the solution plz reply to me.

Syntel,

1 4805

Un-Answered Questions { C++ }

How should a contructor handle a failure?

1195

What is the use of endl?

990

What are default parameters? How are they evaluated in c++ function?

1172

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

1026

How the memory management in vectors are being done. What happens when the heap memory is full, and how do you handle it ?

2316

Which language is pure oop?

1012

What causes a runtime error c++?

1128

What is a base class?

1116

What are the restrictions apply to constructors and destructors?

1083

What is difference between inheritance and polymorphism?

1029

Write about the various sections of the executable image?

982

What is exception handling? Does c++ support exception handling?

1033

What are static type checking?

1057

What is the difference between cin.read() and cin.getline()?

1083

What is data structure in c++?

1148

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