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 33049

What is an abstract class?

Siemens,

6 13035

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

HFG, Siemens,

3 13601

What is a virtual base class?

Fidelity, Siemens,

6 25648

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

HP, Infosys, Thyrocare,

23 74961

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

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

14 111895

What and all can a compiler provides by default?

Accenture, HP,

3 16629

What are the different operators in C++?

HP,

3 14604

What is the difference between method and message?

HP,

5 58716

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 66575

when can we use copy constructor?

HP,

6 17658

Describe functional overloading?

HP,

6 13030

Difference between Overloading and Overriding?

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

35 206009

Difference between Operator overloading and Functional overloading?

HP,

10 54494

What is virtual constructor paradigm?

HCL, HP,

5 16741

Un-Answered Questions { C++ }

What are the data types in oop?

1050

Why do you use the namespace feature?

1051

Whats is abstraction in oops?

1028

What is data type in c++?

980

What do you mean by translation unit in c++?

1299

What is a driver program?

1060

What is input operator in c++?

990

What is a container class? What are the types of container classes in c++?

1177

What is object file? How can you access object file?

1137

What is multilevel inheritance in oop?

980

How to invoke a C function using a C++ program?

1026

What is meant by multiple inheritance?

1188

What is the protected keyword used for?

1065

What is the difference between public, private, and protected access?

1023

What is a node class in c++?

1036

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