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 12760

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

Patni,

14 21770

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

ADP,

9 20314

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

3 9638

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

iSoft, PentaWare, TCS,

7 47375

What is "map" in STL?

2 9091

When to use Multiple Inheritance?

6 9841

Explain working of printf?

8 23486

Explain about profiling?

1 4823

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

BoA,

4 12838

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 10973

What is Memory Alignment?

TCS,

2 9318

Why preincrement operator is faster than postincrement?

5 16940

What are the techniques you use for debugging?

Adtran,

1 7696

Un-Answered Questions { C++ }

What does it mean to declare a function or variable as static?

1012

What do you mean by function pointer?

1122

what Is DCS ? what i will get benefit when i did?

2359

How can virtual functions in c++ be implemented?

1136

How do you master coding?

1040

Which sort is best for the set: 1 2 3 5 4 a) Quick Sort b) Bubble Sort c) Merge Sort

1059

How can you quickly find the number of elements stored in a a) static array b) dynamic array ? Why is it difficult to store linked list in an array?how can you find the nodes with repetetive data in a linked list?

1287

Why was c++ created?

1031

What do you know about near, far and huge pointer?

1143

Is c or c++ more useful?

1055

What Is A Conversion Constructor C++ ?

1180

What is double in c++?

1072

What is c++ used for in games?

1172

Mention the ways in which parameterized can be invoked. Give an example of each.

1066

What are different types of loops in c++?

1133

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