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

Can we declare destructor as static? Explain?

3 9153

is java purely oop Language?

HCL, Infosys, TCS,

49 61180

Write any small program that will compile in "C" but not in "C++"

Honeywell,

10 21637

How can you quickly find the number of elements stored in a a) static array b) dynamic array ?

Lucent,

5 14743

How can you find the nodes with repetetive data in a linked list?

Lucent,

1 8608

Why is it difficult to store linked list in an array?

Infosys, Lucent,

6 23380

What is Pure Virtual Function? Why and when it is used ?

Lucent, Sona,

10 79716

How do you know that your class needs a virtual destructor?

Lucent,

5 11639

Why do C++ compilers need name mangling?

Lucent,

3 10754

How can you force instantiation of a template?

ABC, Amazon,

1 6918

Can you explain the term "resource acquisition is initialization?"

Amazon,

1 6133

Explain the ISA and HASA class relationships. How would you implement each in a class design?

3 13420

What are the OOPS concepts?

A1 Technology, Bajaj, CTS, EDS, HP, Infosys, Intel, Microsoft, MNC, Persistent, PlanetSoft, ProConstructor, TCS, Virtusa, Wipro, YSoft Solutions,

106 323135

What is Object and Class? What are the differences between them?

5 11379

What is Inheritance, Multiple Inheritance, Shared and Repeatable Inheritance?

Accenture, L&T,

4 20693

Un-Answered Questions { C++ }

Write a recursive program to calculate factorial in c++.

1083

How does stack look in function calls? Write a recursive function call, how will the stack look like?

1003

What is the best it certification?

1126

Is it possible to pass an object of the same class in place of object reference to the copy constructor?

1048

What is a storage class used in c++?

1083

What is the use of :: operator in c++?

1127

Is string part of stl?

1213

Which language is pure oop?

1012

Difference between pointer to constant and constant pointer to a constant. Give example.

1125

What is malloc in c++?

1018

What is virtual methods?

1125

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

1130

C++ Public access specifier instead of Private – What is bad ?

893

Should the this pointer can be used in the constructor?

1027

What are virtual functions in c++?

1185

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