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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

What is a "RTTI"?

HCL,

6 12771

Is there something that we can do in C and not in C++?

Patni,

14 21787

What is the difference between "calloc" and "malloc"?

ADP,

9 20327

What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"?

3 9641

What is the Difference between "printf" and "sprintf"?

iSoft, PentaWare, TCS,

7 47392

What is "map" in STL?

2 9096

When to use Multiple Inheritance?

6 9849

Explain working of printf?

8 23492

Explain about profiling?

1 4826

How many lines of code you have written for a single program?

BoA,

4 12844

How to write Multithreaded applications using C++?

Honeywell, TCS, Wipro,

2 11206

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

4 10977

What is Memory Alignment?

TCS,

2 9323

Why preincrement operator is faster than postincrement?

5 16956

What are the techniques you use for debugging?

Adtran,

1 7702

Un-Answered Questions { C++ }

What does new in c++ do?

1029

What is the difference between #import and #include in c++?

1113

Explain what happens when an exception is thrown in C++.

956

What is the difference between a pointer and a link in c ++?

1058

Why do pointers exist?

1105

What is the maximum combined length of command line arguments including the space between adjacent arguments?

1006

What is the use of endl in c++?

1023

Can you Mention some Application of C/C++?

1084

Is c++ map a hash table?

1035

Would you rather wait for quicksort, linear search, or bubble sort on a 200000 element array? (Or go to lunch...) a) Quicksort b) Linear Search c) Bubble Sort

1050

what does the following statement mean? int (*a)[4]

1080

How can I learn dev c++ programming?

1065

What is a storage class?

1285

Can c++ be faster than c?

1039

Which language is not a true object oriented programming language?

1141

For More Un-Answered { C++ } Questions Click Here