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 9268

is java purely oop Language?

HCL, Infosys, TCS,

49 62660

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

Honeywell,

10 21992

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

Lucent,

5 14958

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

Lucent,

1 8698

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

Infosys, Lucent,

6 23612

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

Lucent, Sona,

10 80081

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

Lucent,

5 11820

Why do C++ compilers need name mangling?

Lucent,

3 10899

How can you force instantiation of a template?

ABC, Amazon,

1 6997

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

Amazon,

1 6224

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

3 13576

What are the OOPS concepts?

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

106 326269

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

5 11626

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

Accenture, L&T,

4 20866

Un-Answered Questions { C++ }

Tell me an example where stacks are useful?

1104

How many characters are recognized by ANSI C++?

1469

Explain the scope of resolution operator.

1164

Explain abstraction.

1180

What is polymorphism in c++? Explain with an example?

1107

What is stack unwinding?

1211

Is c++ a float?

1114

What is static variable and difference between(const char *p,char const *p,const char* const p).

1170

What is ios in c++?

1269

What is the difference between cin.read() and cin.getline()?

1136

Differentiate between an external iterator and an internal iterator?

1055

You run a shell on unix system. How would you tell which shell are you running?

1225

What is a class template in c++?

1104

What is the use of register keyword with the variables?

980

What is the use of turbo c++?

1114

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