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

C++ General Interview Questions

Questions Answers Views Company eMail

write the programme that convert a interger to biniry number

Amazon,

1 2956

difference between macro and function?

3 7098

Can we remove an element in a single linked list without traversing? Lets suppose the link list is like this 1 2 3 4 5 6 We need to remove 4 from this list (without traversing from beginning) and the final link list shud be 1 2 3 5 6 only thing we know is the pointer to element "4". How can we remove "4" and link "3" to "5"?

CSC,

6 8805

Under what conditions is multiple inheritance not recommended?

1 5607

diff between pointer and reference in c++?

1 5009

How size of a class can be calulated?

2 4869

What is optimization in c++? when using volatile.optimization is not possible..what does this mean?

1 4072

how is returning structurs from functions?Show an eg?

GE,

1 4719

What is the difference in size of this two clasees? Class A { int a; char c; float f; } Class B { float f; char c; int a; }

4 6044

Is there a datatype string in c++?How is the memory allocation?

3 5116

Difference between linked list and array?

3 6555

What is the difference between Char a[ ]=”string” and char *a=”String”

Adobe,

11 18799

what are prototypes

Infosys, TCS,

4 7531

Why can you not make a constructor as const?

3 6691

what is polymorphism?

Accenture,

14 18399

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Un-Answered Questions { C++ General }

How one would use switch in a program?

1079

What does I ++ mean in c++?

1107

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

1152

Is c the same as c++?

1009

What is c++ good for?

1064

Where must the declaration of a friend function appear?

962

What is a block in c++?

1053

How are virtual functions implemented in c++?

1071

How a modifier is similar to mutator?

1184

What is data binding in c++?

962

What is a pdb file?

1004

Explain the pure virtual functions?

1127

What is the identity function in c++? How is it useful?

1054

What should main() return in c and c++?

1026

How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

1097

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