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 2871

difference between macro and function?

3 6960

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 8582

Under what conditions is multiple inheritance not recommended?

1 5520

diff between pointer and reference in c++?

1 4946

How size of a class can be calulated?

2 4757

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

1 3991

how is returning structurs from functions?Show an eg?

GE,

1 4610

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 5915

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

3 5000

Difference between linked list and array?

3 6447

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

Adobe,

11 18325

what are prototypes

Infosys, TCS,

4 7348

Why can you not make a constructor as const?

3 6542

what is polymorphism?

Accenture,

14 17892

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Un-Answered Questions { C++ General }

How would you obtain segment and offset addresses from a far address of a memory location?

1043

Describe the process of creation and destruction of a derived class object?

1083

What is the last index number in an array of 100 characters a) 100 b) 99 c) 101

1102

How does code-bloating occur in c++?

1151

What is ios :: in in c++?

1011

Are iterators pointers?

1111

What is isdigit c++?

1072

Explain the use of vtable.

1033

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

1007

How a new operator differs from the operator new?

1069

What is flush programming?

962

What is the use of main function in c++?

944

what are function pointers?

996

What is the difference between global variables and local variable

1005

What is the main purpose of overloading operators?

1085

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