C++ General Interview Questions
Questions Answers Views Company eMail

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

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

14 97786

What and all can a compiler provides by default?

Accenture, HP,

3 11536

What are the different operators in C++?

HP,

3 11403




What is the difference between method and message?

HP,

5 43353

What is difference between initialization and assignment?

Infosys, HCL, HP,

12 49477

when can we use copy constructor?

HP,

6 12821

Describe functional overloading?

HP,

6 8234

Difference between Overloading and Overriding?

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

35 182219




Difference between Operator overloading and Functional overloading?

HP,

10 45953

What is virtual constructor paradigm?

HCL, HP,

5 10696

when can we use virtual destructor?

HP, HCL, Virage Logic,

7 21221

What is the difference between Class and Structure?

IBM, TCS, HP, Samsung,

40 203679

What is size of null class?

HP,

5 12622

Is structure can be inherited?

HP, ST Micro,

5 13452

How the V-Table mechanism works?

HP,

6 19109


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Un-Answered Questions { C++ General }

What do you mean by early binding?

87


which of the following is not an secondary constant a) array b) real c) union

96


How delete [] is different from delete?

65


Can we use clrscr in c++?

50


When should we use container classes instead of arrays?

77






What is singleton pattern in c++?

37


Why should you learn c++?

55


Explain the uses of static class data?

77


Difference between struct and class in terms of access modifier.

88


How do we balance an AVL Tree in C++?

110


What are the data types in c++?

29


When does the c++ compiler create temporary variables?

73


What is the difference between structure and class?

79


What is c++ programming language?

54


What is enum class in c++?

62