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 98275

What and all can a compiler provides by default?

Accenture, HP,

3 11669

What are the different operators in C++?

HP,

3 11504

What is the difference between method and message?

HP,

5 44278

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 50094

when can we use copy constructor?

HP,

6 12965

Describe functional overloading?

HP,

6 8367

Difference between Overloading and Overriding?

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

35 183204

Difference between Operator overloading and Functional overloading?

HP,

10 46245

What is virtual constructor paradigm?

HCL, HP,

5 10900

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 21407

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 204637

What is size of null class?

HP,

5 12756

Is structure can be inherited?

HP, ST Micro,

5 13601

How the V-Table mechanism works?

HP,

6 19257


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Un-Answered Questions { C++ General }

What are guid? Why does com need guids?

132


Write about the use of the virtual destructor?

118


What is operator overloading in c++ example?

94


What is enum c++?

87


Why is c++ difficult?

81






What is a literal in c++?

77


What do you mean by translation unit?

101


What is the use of endl in c++ give an example?

84


Show the declaration for a static member variable.

97


What is c++ hiding?

84


How much do c++ programmers make?

80


. If employee B is the boss of A and C is the boss of B and D is the boss of C and E is the boss of D. Then write a program using the Database such that if an employee name is Asked to Display it also display his bosses with his name. For eg. If C is displayed it should also display D and E with C?

2148


Difference between delete and free.

102


What are separators in c++?

95


What is the difference between containment and delegation?

127