C++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

STL (138)
OOPS (873)
C++ General (2385)

C++ Interview Questions

Questions Answers Views Company eMail

What is Copy Constructor?

ABC, Siemens,

5 17193

What is an abstract class?

Siemens,

5 8922

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

HFG, Siemens,

3 10332

What is a virtual base class?

Fidelity, Siemens,

6 21478

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

HP, Infosys, Thyrocare,

23 62323

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

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

14 102772

What and all can a compiler provides by default?

Accenture, HP,

3 13298

What are the different operators in C++?

HP,

3 12536

What is the difference between method and message?

HP,

5 51931

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 56580

when can we use copy constructor?

HP,

6 14434

Describe functional overloading?

HP,

6 9887

Difference between Overloading and Overriding?

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

35 190305

Difference between Operator overloading and Functional overloading?

HP,

10 49067

What is virtual constructor paradigm?

HCL, HP,

5 12553

Un-Answered Questions { C++ }

Define Virtual function in C++.

434

What is meant by oops concept?

406

Why is main function important?

393

What is the standard template library (stl)?

460

How does com provide language transparency?

427

Write some differences between an external iterator and an internal iterator? Describe the advantage of an external iterator.

419

Define an Abstract class in C++?

259

How do you establish an is-a relationship?

463

How is modularity introduced in C++?

492

What are the advantages of using pointers in a program?

445

How do I tokenize a string in c++?

426

Can non-public members of another instance of the class be retrieved by the method of the same class?

417

What operator is used to access a struct through a pointer a) >> b) -> c) *

425

What is the difference between new() and malloc()?

431

What is exception handling? Does c++ support exception handling?

390

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