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

C++ General Interview Questions

Questions Answers Views Company eMail

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

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

14 111792

What and all can a compiler provides by default?

Accenture, HP,

3 16583

What are the different operators in C++?

HP,

3 14583

What is the difference between method and message?

HP,

5 58666

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 66447

when can we use copy constructor?

HP,

6 17622

Describe functional overloading?

HP,

6 12982

Difference between Overloading and Overriding?

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

35 205739

Difference between Operator overloading and Functional overloading?

HP,

10 54420

What is virtual constructor paradigm?

HCL, HP,

5 16693

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 27983

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 229624

What is size of null class?

HP,

6 17790

Is structure can be inherited?

HP, ST Micro,

5 17568

How the V-Table mechanism works?

HP,

6 23311

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Un-Answered Questions { C++ General }

What is a base class?

1047

What is the most useful programming language?

994

Explain binary search.

942

Why do you use the namespace feature?

1044

What is constructor c++?

1064

How would you use the functions memcpy(), memset(), memmove()?

1032

Is c++ a software?

1145

Why c++ does not have finally?

1020

What are the differences between new and malloc?

1045

How can you create a virtual copy constructor?

1033

Define a nested class. Explain how it can be useful.

1039

What is command line arguments in C++? What are its uses? Where we have to use this?

1176

What is constant in c++ with example?

1075

Explain how an exception handler is defined and invoked in a Program.

1118

Can we make copy constructor private in c++?

1008

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