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,

1185

Explain Memory Allocation in C/C++ ?

Infosys,

1122

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

Wipro,

1420

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

Impetus,

1194

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

IBS,

1187

what you know about c++?

IBS,

1209

Difference between Abstraction and encapsulation in C++?

Impetus,

1223

Implement stack operations with pointers with appropriate exception checks.

Huawei,

1034

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

Huawei,

1033

Write a program to find the Fibonacci series recursively.

Huawei,

1131

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

Huawei,

1367

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

HCL,

1379

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

1149

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

Axtria,

1174

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

Axtria,

1081

Un-Answered Questions { C++ }

What do you understand by zombie objects in c++?

1174

What is math h in c++?

1255

what is different between oops and c++

2627

How would you use the functions memcpy(), memset(), memmove()?

1154

2. Give the different notations for the class.\

2235

Define a pointer to a data member of the type pointer to pointer?

1050

What are c++ storage classes?

1168

Write a program using shift_half( ) function to shift the elements of first half array to second half and vice versa.

1389

What are the extraction and insertion operators in c++? Explain with examples.

1269

What is the real purpose of class – to export data?

1174

Define Virtual function in C++.

1158

What is a syntax in c++?

1218

What is encapsulation c#?

1135

Is it possible to provide default values while overloading a binary operator?

1332

How would you use the functions sin(), pow(), sqrt()?

1245

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