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

Describe friend function & its advantages.

TCS,

1106

Explain Memory Allocation in C/C++ ?

Infosys,

1038

Briefly describe a B+ tree. What is bulk loading in it?

Wipro,

1280

How do we balance an AVL Tree in C++?

Impetus,

1106

Write a C++ Program to check whether a number is prime number or not?

IBS,

1078

what you know about c++?

IBS,

1105

Difference between Abstraction and encapsulation in C++?

Impetus,

1093

Implement stack operations with pointers with appropriate exception checks.

Huawei,

943

Write a function to find the nth item from the end of a linked list in a single pass.

Huawei,

938

Write a program to find the Fibonacci series recursively.

Huawei,

1041

Write a program to find the reverse Fibonacci series starting from N.

Huawei,

1193

What is command line arguments in C++? What are its uses? Where we have to use this?

HCL,

1211

Which one is a preferred language C or C++? Why?

1037

Write a code/algo to find the frequency of each element in an array?

Axtria,

1064

Write is a binary search tree? Write an algo and tell complexity?

Axtria,

988

Un-Answered Questions { C++ }

What is a driver program?

1069

Write a program that ask for user input from 5 to 9 then calculate the average

1067

What is a standard template library (stl)? What are the various types of stl containers?

1128

What do you mean by funtion prototype?

1020

What is c++ iterator?

1080

Is c++ pass by reference or value?

1016

Is there a c++ certification?

1004

What is #include iostream h in c++?

1110

Explain virtual class?

986

Explain container class.

1207

What do nonglobal variables default to a) auto b) register c) static

1118

What is purpose of new operator?

1035

What are different types of JVM's? for example we use dalvik jvm for android then what about the remaining operating systems?

2099

What is a pointer with example?

1186

How to call a non virtual function in the derived class by using base class pointer

6450

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