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

Why pure virtual functions are used if they don't have implementation / When does a pure virtual function become useful?

1 1277

What is virtual destructors? Why they are used?

1 1322

What you mean by early binding and late binding? How it is related to dynamic binding?

1 1360

What is meant by reference variable in C++?

1 1299

How to create a reference variable in C++

1 1335

What are the difference between reference variables and pointers in C++?

1 1269

What will the line of code below print out and why?

745

What is the error in the code below and how should it be corrected?

770

What will i and j equal after the code below is executed? Explain your answer.

1 1360

What are the different data types present in C++?

4 2330

What are class and object in C++?

1 1450

Compare compile time polymorphism and Runtime polymorphism

1 1232

What do you know about friend class and friend function?

1 1217

Define inline function

1 1302

What is a reference in C++?

1 1403

Un-Answered Questions { C++ }

What is struct c++?

1009

What is polymorphism and its type in c++?

1082

Why do we use classes in programming?

1044

What are the classes in c++?

1114

Difference between pointer to constant and constant pointer to a constant. Give example.

1131

What is late binding c++?

993

describe private access specifiers?

1249

What do you mean by function pointer?

1122

What is c++ array?

1128

Is c++ a good first language to learn?

1076

What is ofstream c++?

1092

Can you be able to identify between straight- through and cross- over cable wiring? And in what case do you use straight- through and cross-over?

1111

why is iostream::eof inside a loop condition considered wrong?

1062

What are 2 ways of exporting a function from a dll?

1203

What relational operators if statements in c++?

1181

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