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 1264

What is virtual destructors? Why they are used?

1 1320

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

1 1352

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 1259

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?

764

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

1 1353

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

4 2316

What are class and object in C++?

1 1444

Compare compile time polymorphism and Runtime polymorphism

1 1224

What do you know about friend class and friend function?

1 1210

Define inline function

1 1291

What is a reference in C++?

1 1389

Un-Answered Questions { C++ }

What is difference between oop and pop?

1168

What are the 5 oop principles?

1127

Explain the difference between static and dynamic binding of functions?

1075

which of the following is not an secondary constant a) array b) real c) union

1804

Is multimap sorted c++?

1008

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

2215

Why is oop useful?

1108

What is general form of pure virtual function? Explain?

1000

if i have same function with same number of argument but defined in different files. Now i am adding these two files in a third file and calling this function . which will get called and wht decide the precedence?

3527

How many characters are recognized by ANSI C++?

1424

What is overloading unary operator?

1090

Does c++ have arraylist?

1020

What is function overloading c++?

1077

To which numbering system can the binary number 1101100100111100 be easily converted to?

1067

What does it mean to take the address of a reference?

1014

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