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 33323

What is an abstract class?

Siemens,

6 13702

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

HFG, Siemens,

3 13873

What is a virtual base class?

Fidelity, Siemens,

6 25953

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

HP, Infosys, Thyrocare,

23 75924

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

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

14 112540

What and all can a compiler provides by default?

Accenture, HP,

3 16818

What are the different operators in C++?

HP,

3 14758

What is the difference between method and message?

HP,

5 59004

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67164

when can we use copy constructor?

HP,

6 17945

Describe functional overloading?

HP,

6 13326

Difference between Overloading and Overriding?

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

35 207249

Difference between Operator overloading and Functional overloading?

HP,

10 54985

What is virtual constructor paradigm?

HCL, HP,

5 17006

Un-Answered Questions { C++ }

What is class definition in c++ ?

1099

Where Malloc(), Calloc(), and realloc() does get memory?

1062

Define a conversion constructor?

1102

What are different oops concepts?

1066

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

972

Why do we need c++?

1064

Can destructor be overloaded?

1039

what is the difference between a pointer and a reference?

1010

In a function declaration, what does extern mean?

1071

What are different types of loops in c++?

1133

What are the 4 types of library?

1185

What is the use of endl in c++?

1023

What is a Default constructor?

1609

Explain the FOR loop with a help of a code.

994

Is c++ vector a linked list?

1004

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