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 97486

What and all can a compiler provides by default?

Accenture, HP,

3 11443

What are the different operators in C++?

HP,

3 11326




What is the difference between method and message?

HP,

5 42930

What is difference between initialization and assignment?

Infosys, HCL, HP,

12 49115

when can we use copy constructor?

HP,

6 12746

Describe functional overloading?

HP,

6 8161

Difference between Overloading and Overriding?

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

35 181721




Difference between Operator overloading and Functional overloading?

HP,

10 45761

What is virtual constructor paradigm?

HCL, HP,

5 10577

when can we use virtual destructor?

HP, HCL, Virage Logic,

7 21105

What is the difference between Class and Structure?

IBM, TCS, HP, Samsung,

40 203272

What is size of null class?

HP,

5 12542

Is structure can be inherited?

HP, ST Micro,

5 13367

How the V-Table mechanism works?

HP,

6 19028


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Un-Answered Questions { C++ General }

Write a program to add three numbers in C++ utilizing classes.

83


Can a constructor be private?

41


What are the benefits of pointers?

33


What is the difference between the indirection operator and the address of oper-ator?

70


Is arr and &arr are same expression for an array?

49






What is copy constructor? Can we make copy constructor private in c++?

55


How can I improve my c++ skills?

39


Is c++ a dying language?

49


What do you mean by public protected and private in c++?

55


Define the operators that can be used with a pointer.

52


What is the difference between #import and #include?

46


Describe new operator?

63


Is dev c++ free?

38


What do you mean by translation unit?

53


What are the three forms of cin.get() and what are their differences?

71