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 12750

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

Patni,

14 21739

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

ADP,

9 20305

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

3 9628

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

iSoft, PentaWare, TCS,

7 47366

What is "map" in STL?

2 9091

When to use Multiple Inheritance?

6 9829

Explain working of printf?

8 23477

Explain about profiling?

1 4818

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

BoA,

4 12834

How to write Multithreaded applications using C++?

Honeywell, TCS, Wipro,

2 11202

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

4 10970

What is Memory Alignment?

TCS,

2 9312

Why preincrement operator is faster than postincrement?

5 16933

What are the techniques you use for debugging?

Adtran,

1 7694

Un-Answered Questions { C++ }

Write about the role of c++ in the tradeoff of safety vs. Usability?

1072

What is endl c++?

1099

What is the use of endl?

990

When did c++ add stl?

1234

How to reverse a string in C++

815

What is class and example?

1186

How are Structure passing and returning implemented by the compiler?

1141

Explain object slicing in c++?

1058

what is data abstraction in C++?

1084

What is difference between array and vector in c++?

1031

Is c++ still in demand?

1151

what are Access specifiers in C++ class? What are the types?

1234

What is a pointer how and when is it used?

1097

What is array in c++ example?

1114

What is a try block?

1074

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