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 33186

What is an abstract class?

Siemens,

6 13395

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

HFG, Siemens,

3 13765

What is a virtual base class?

Fidelity, Siemens,

6 25806

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

HP, Infosys, Thyrocare,

23 75492

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

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

14 112296

What and all can a compiler provides by default?

Accenture, HP,

3 16735

What are the different operators in C++?

HP,

3 14680

What is the difference between method and message?

HP,

5 58872

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 66889

when can we use copy constructor?

HP,

6 17799

Describe functional overloading?

HP,

6 13192

Difference between Overloading and Overriding?

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

35 206621

Difference between Operator overloading and Functional overloading?

HP,

10 54755

What is virtual constructor paradigm?

HCL, HP,

5 16890

Un-Answered Questions { C++ }

Can we use THIS Pointer in static function – Reason in C++?

782

Write some differences between an external iterator and an internal iterator?

1005

Is c++ still being used?

1017

Difference between strdup and strcpy?

1174

What does it mean to declare a function or variable as static?

990

Which programming language's unsatisfactory performance led to the discovery of c++?

1312

Explain this pointer?

1043

What is oops with example?

1032

What is the purpose of the "delete" operator?

1047

It is possible to build a C++ compiler on top of a C compiler. How would you do this?

1106

Why do we use polymorphism in oops?

1019

What is the full form of oops?

1162

Explain the difference between class and struct in c++?

1026

What are special characters c++?

1012

Declare a class vehicle and make it an abstract data type.

955

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