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 1266

What is virtual destructors? Why they are used?

1 1321

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

1 1353

What is meant by reference variable in C++?

1 1293

How to create a reference variable in C++

1 1323

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

1 1261

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

742

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

766

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

1 1354

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

4 2318

What are class and object in C++?

1 1447

Compare compile time polymorphism and Runtime polymorphism

1 1225

What do you know about friend class and friend function?

1 1212

Define inline function

1 1295

What is a reference in C++?

1 1394

Un-Answered Questions { C++ }

What are the advantages of using a pointer?

1082

Why is c++ a mid-level programming language?

1040

Is it possible to provide special behavior for one instance of a template but not for other instances?

1134

Difference between class and structure.

1177

Why do we use oop?

1101

What is the best c c++ compiler for windows?

1063

Explain how the virtual base class is different from the conventional base classes of the opps.

1171

i wanted to know about questions about c,c++ , which is required for placements.... im a fresher

2215

What is pointer to member?

1100

Is arr and &arr are same expression for an array?

1057

Differentiate between late binding and early binding.

1279

Why do we need pointers?

1007

Why we use #include iostream in c++?

1058

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1119

What are the 5 oop principles?

1127

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