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

What is Copy Constructor?

ABC, Siemens,

5 33314

What is an abstract class?

Siemens,

6 13683

What is the difference between creating an object, using 'new' and using 'malloc'?

HFG, Siemens,

3 13864

What is a virtual base class?

Fidelity, Siemens,

6 25944

What is OOPS and How it is different from Procedural Programming ?

HP, Infosys, Thyrocare,

23 75890

Difference between Top down and bottom up approaches for a given project ?

BSNL, CSC, HCL, HP, IIT, Infosys, Siemens,

14 112516

What and all can a compiler provides by default?

Accenture, HP,

3 16815

What are the different operators in C++?

HP,

3 14751

What is the difference between method and message?

HP,

5 58994

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67143

when can we use copy constructor?

HP,

6 17937

Describe functional overloading?

HP,

6 13319

Difference between Overloading and Overriding?

Appnetix Techno, GameLoft, HP, IBM, NIIT, Rohde and Schwarz,

35 207187

Difference between Operator overloading and Functional overloading?

HP,

10 54966

What is virtual constructor paradigm?

HCL, HP,

5 16994

Un-Answered Questions { C++ }

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.

6937

What can I safely assume about the initial values of variables which are not explicitly initialized?

1061

Describe the advantage of an external iterator.

1042

What are activex and ole?

1059

What is the type of this pointer in c++?

1073

What is the use of 'this' pointer?

1252

How do you achieve runtime polymorphism?

1051

What is a rooted hierarchy?

1167

What is the error in the code below and how should it be corrected?

766

What is meant by exit controlled loop?

1049

What do you mean by storage classes?

1606

What is polymorphism in oop example?

1030

Explain virtual class?

1037

i got a backdoor offer in process global,Bangalore..Can i work with it?

2845

How long does it take to get good at leetcode?

1179

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