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 22952

implement stack using stack.h headerfile functions

Exilant, GMG, Subex, University,

1 9965

what is static function

Patni,

2 7300

why the size of an empty class is 1

4 12357

is throwing exception from a constructor not a good practice ?

Ericsson,

5 11475

swapping program does not use third variable

TCS,

5 8596

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

Infosys,

1 5558

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

IBM, NET,

3 25488

Please tell me the oops concept with detailed answer

EEE,

9 17381

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

5 8477

what is the usage of clas templates

5 7448

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

1 5614

difference between c and c++?

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

38 127406

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

5 19904

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 4808

Un-Answered Questions { C++ }

State the difference between delete and delete[].

1115

Which is best c++ or java?

1091

What programming language should I learn first?

1107

What is ios :: in in c++?

1070

Why polymorphism is used in oops?

1056

Is enum a class?

1072

What is abstraction with example?

1118

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

1088

What is expression parser in c++

2509

Do we have to use initialization list in spite of the assignment in constructors?

1007

How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

1098

What is & in c++ function?

1069

What are the 3 principles of oop?

1125

How do you clear a buffer in c++?

968

Define whitespace in C++.

1223

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