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

Distinguish between: a) Normal layout & Print Layout views b) Windows Clipboard & office Clipboard c) Save & Save As Commands d) Program File & Data File e) Pie Charts & Barr Charts

2270

What is Object Oriented programming.what is the difference between C++ and C?

Infosys,

8 25411

Memory is not a constraint. In a single iteration(NOTE: you can't go back), how will you find out the 10th last node/item in a linked list.

BNB, FDS, Goldman Sachs, Nagarro,

16 27752

how to swap two numbers with out using temp variable

Global eProcure, TCS,

12 21008

Can we use resume in error handling i.e. in the catch block

Infosys,

5 10344

this is to swap to strings....but in output the whole strings are swapped leaving first as it is...why it is so #include int main() { char a[]="ajeet"; char b[]="singh"; long x=*a; long y=*b; cout< 1 4624

how to swap two strings without using any third variable ?

11 39379

What is Object Oriental Progam

2 5180

What is Constructor

Angel Broking,

14 31206

Waht is inheritance

6 9388

what is strcture i++ i ++i answer to this i=5 what is the out put

6 11849

how can u do connectivity in c++ language? plz send me connectivity code in c++ ?

Ascent,

2323

why destructor is not over loaded?

5 19022

Why many objects can working together? How objects working togetherM I want to see example code.

2 5101

suppose A is a base class and B is the derved class. Both have a method foo which is defined as a virtual method in the base class. You have a pointer of classs B and you typecast it to A. Now when you call pointer->foo, which method gets called? The next part of the question is, how does the compiler know which method to call?

EA Electronic Arts,

3 9668

Un-Answered Questions { C++ }

It is possible to build a C++ compiler on top of a C compiler. How would you do this?

1120

What polymorphism means?

1067

What do you understand by pure virtual function? Write about its use?

999

How would perform Pattern Matching in C++?

1229

How should runtime errors be handled in c++?

1143

What does h mean in maths?

1189

What are all predefined data types in c++?

1122

What is abstract class in oops?

1023

What is c++ library?

1031

What are vectors used for in c++?

1072

Why is oop useful?

1100

Can the creation of operator** is allowed to perform the to-the-power-of operations?

993

What are move semantics?

1149

What is a standard template library (stl)?

1121

Mention the purpose of istream class?

1105

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