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

C++ General Interview Questions

Questions Answers Views Company eMail

How the compilers arranges the various sections in the executable image?

1 4185

What issue do auto_ptr objects address?

2 6754

Can we declare destructor as static? Explain?

3 8994

Write any small program that will compile in "C" but not in "C++"

Honeywell,

10 21160

How can you quickly find the number of elements stored in a a) static array b) dynamic array ?

Lucent,

5 14494

How can you find the nodes with repetetive data in a linked list?

Lucent,

1 8524

Why is it difficult to store linked list in an array?

Infosys, Lucent,

6 23075

What is Pure Virtual Function? Why and when it is used ?

Lucent, Sona,

10 79279

How do you know that your class needs a virtual destructor?

Lucent,

5 11418

Why do C++ compilers need name mangling?

Lucent,

3 10584

How can you force instantiation of a template?

ABC, Amazon,

1 6807

Can you explain the term "resource acquisition is initialization?"

Amazon,

1 6015

Explain the ISA and HASA class relationships. How would you implement each in a class design?

3 13232

1. What does the following do: void afunction(int *x) { x=new int; *x=12; } int main() { int v=10; afunction(&v); cout<

Quark,

5 10656

How long does this loop run: for(int x=0; x=3; x++) a) Never b) Three times c) Forever

Datavance, Quark, VEL, Wipro,

17 56015

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Un-Answered Questions { C++ General }

Differentiate between a template class and class template in c++?

1049

What are proxy objects in c++?

1129

What are c++ manipulators?

1005

How do you decide which integer type to use?

948

What is an iterator class in c++?

1089

Define friend function.

983

What is the use of structure in c++?

968

What is near, far and huge pointers? How many bytes are occupied by them?

1069

Why do we use vector in c++?

1004

How do you remove an element from a set in c++?

1028

What are references in c++? What is a local reference?

983

what are the iterator and generic algorithms.

1883

What is an arraylist c++?

1156

Define namespace in c++?

998

What is dev c++ used for?

976

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