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 105189

What and all can a compiler provides by default?

Accenture, HP,

3 14221

What are the different operators in C++?

HP,

3 13120

What is the difference between method and message?

HP,

5 55814

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 59690

when can we use copy constructor?

HP,

6 15400

Describe functional overloading?

HP,

6 10905

Difference between Overloading and Overriding?

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

35 194856

Difference between Operator overloading and Functional overloading?

HP,

10 51005

What is virtual constructor paradigm?

HCL, HP,

5 13632

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 24417

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 217399

What is size of null class?

HP,

6 15679

Is structure can be inherited?

HP, ST Micro,

5 15772

How the V-Table mechanism works?

HP,

6 21295


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Un-Answered Questions { C++ General }

What do you mean by function overriding & function overloading in c++?

600


Can char be a number c++?

589


What is the use of setprecision in c++?

540


What return value must conversion operators have in their declaration?

612


What is enum class in c++?

706






Can recursive program be written in C++?

629


Do you know about latest advancements in C++ ?

656


How do you invoke a base member function from a derived class in which you have not overridden that function?

582


What's the "software peter principleā€?

620


What is the maximum value of a unsigned char a) 255 b) 256 c) 128

631


How does c++ sort work?

559


Describe about storage allocation and scope of global, extern, static, local and register variables?

730


What is an operator function? Describe the function of an operator function?

612


What is this weird colon-member (" : ") syntax in the constructor?

541


What are the manipulators in c++?

547