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 12746

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

Patni,

14 21732

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

ADP,

9 20299

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

3 9627

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

iSoft, PentaWare, TCS,

7 47361

What is "map" in STL?

2 9091

When to use Multiple Inheritance?

6 9824

Explain working of printf?

8 23474

Explain about profiling?

1 4816

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

BoA,

4 12833

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 10964

What is Memory Alignment?

TCS,

2 9312

Why preincrement operator is faster than postincrement?

5 16931

What are the techniques you use for debugging?

Adtran,

1 7693

Un-Answered Questions { C++ }

What flag means?

961

Are vectors faster than arrays?

1005

What is long in c++?

1249

What is the importance of mutable keyword?

1024

Can constructor be private in c++?

1044

List different attributes in C++?

1097

What is endl?

1155

What is protected inheritance?

1049

Differentiate between a pointer and a reference with respect to c++.

1246

How can you link a c program with a c function?

1076

write a c++ program to create class student having datamember name,Roll_no,age,and branch intilcization all the member using constructor print the all the details on the screen.

2692

design a c++ class for the chess board,provide a c++ class definition for such class(only class definition is required)

6679

What is lazy initialization in c++?

1107

program for insertion ,deletion,sorting in double link list

2692

What are the syntactic rules to be avoid ambiguity in multiple inheritance?

1185

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