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

What is a pure virtual function? Why is it represented as = 0...how is the internal implementation for the same

CTS,

3 8469

What are smart pointer? Whats its use?

CTS,

1 5754

What are function poinetrs? where are they used?

CTS,

1 4583

How many pointers are required to reverse a link list?

CTS,

5 11381

How many types of casting are there in C++? When is a dynamic cast,static_cast,reinterpret cast used?

CTS,

2 9441

Write a program to swap 2 chars without using a third varable? char *s = "A"; char *p = "B";

CTS,

7 25072

What are Binay tress and B trees? Diff between them?

CTS, GATE, Wipro,

8 15403

why we call c++ is object oriented lanaguage

HCL,

7 14509

WILL I GET A guaranteed JOB AFTER DOING bsc()IT) and GNIIT from an NIIT CENTRE??

Biocon, MIT, NIIT,

21 37991

Am studying basic c++ programming, have been given the following assignment. Design a linear program to calculate the maximum stress a material can withstand given a force and a diameter of a circle. To find the required area pi should be defined. Have most of the program sorted out but am at a loss as to how to show the calculations required. Can anyone help?

2251

Explain when u will use Observer pattern and how u will implement in c++ .

1 4731

What is the difference between static link library and dynamic link library?

Tech Mahindra,

7 21379

In multilevel inheritance constructors will be executed from the .... class to ... class

ABCO, TCS,

2 15904

reading material is provided 3 books for c++ if u need more do let me know thnx i hve lots of material do let me know if u want it

2 4898

what is template and type convertion

TATA,

2496

Un-Answered Questions { C++ }

what is different between oops and c++

2629

What is a type library?

1166

Write about a nested class and mention its use?

1170

Can c++ do everything c can?

1174

what is C++ exceptional handling?

1266

Can we have inheritance without polymorphism?

1086

Where must the declaration of a friend function appear?

1024

What is the use of data hiding?

1069

What is a class in oop?

1216

What is a driver program?

1164

What is purpose of new operator?

1135

Do you know what are pure virtual functions?

1212

CDPATH shell variable is in(c-shell)

1130

What is format for defining a structure?

1148

Why the usage of pointers in C++ is not recommended ?

1535

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