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 4284

What issue do auto_ptr objects address?

2 6890

Can we declare destructor as static? Explain?

3 9155

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

Honeywell,

10 21637

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

Lucent,

5 14744

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

Lucent,

1 8608

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

Infosys, Lucent,

6 23381

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

Lucent, Sona,

10 79718

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

Lucent,

5 11640

Why do C++ compilers need name mangling?

Lucent,

3 10754

How can you force instantiation of a template?

ABC, Amazon,

1 6918

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

Amazon,

1 6133

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

3 13422

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 10893

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 56647

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Un-Answered Questions { C++ General }

Define a nested class.

1079

What is the purpose of ios::basefield in the following statement?

1266

What are the various oops concepts in c++?

1047

Explain how would you handle a situation where you cannot call the destructor of a local explicitly?

972

What is enum class in c++?

1256

Array base access faster or pointer base access is faster?

2307

How does c++ structure differ from c++ class?

1135

Which c++ operator cannot overload?

1018

What is stoi in c++?

1185

Write a corrected statement in c++ so that the statement will work properly. if (4 < x < 11) y=2*x;

2017

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

1054

How many keywords are used in c++?

1020

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

1064

What is main function in c++ with example?

1229

What is #include cstdlib in c++?

1188

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