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 9126

is java purely oop Language?

HCL, Infosys, TCS,

49 60917

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

Honeywell,

10 21578

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

Lucent,

5 14716

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

Lucent,

1 8597

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

Infosys, Lucent,

6 23338

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

Lucent, Sona,

10 79650

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

Lucent,

5 11603

Why do C++ compilers need name mangling?

Lucent,

3 10736

How can you force instantiation of a template?

ABC, Amazon,

1 6909

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

Amazon,

1 6113

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

3 13402

What are the OOPS concepts?

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

106 322678

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

5 11320

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

Accenture, L&T,

4 20653

Un-Answered Questions { C++ }

What is the first name of c++?

1054

What is math h in c++?

1172

Can I learn c++ without c?

1141

Explain the difference between using macro and inline functions?

1121

Is map sorted c++?

998

What is difference between c++ 11 and c++ 14?

1089

Write a Program for dynamically intialize a 2 dimentional array. Eg:5x20, accept strings and check for vowels and display the no.finally free the space allocated .

1141

What is time h in c++?

1133

What is long in c++?

1245

Is dev c++ free?

1038

What is difference between polymorphism and inheritance?

1076

Why was c++ created?

1026

How do you clear a buffer in c++?

958

just right the logic of it 1--> If few people are electing then every time ur candidate should win 2--> arrange books in box, if box carry weight == books weight then take another box..... find the no of box required.

6926

What is the difference between procedural programming and oops?

1121

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