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

Why is it necessary to use a reference in the argument to the copy constructor?

1183

What is a template in c++?

3 1986

You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. New() and malloc()

1229

Explain how would you handle a situation where you cannot call the destructor of a local explicitly?

1027

Can we declare a base-class destructor as virtual?

1084

What is the auto keyword good for in c++?

1271

What is the word you will use when defining a function in base class to allow this function to be a polimorphic function?

1231

What are proxy objects in c++?

1240

Specify some guidelines that should be followed while overloading operators?

1273

How a macro differs from a template?

1223

What is the two main roles of operating system?

1137

How do you write a function that can reverse a linked-list?

1176

Describe the advantages of operator overloading?

1089

How are the features of c++ different from c?

1178

How to allocate memory dynamically for a reference?

1098

Un-Answered Questions { C++ }

what is Member Functions in Classes?

1293

Distinguish between new and malloc and delete and free().

1079

What does count ++ do in c++?

1258

program for insertion ,deletion,sorting in double link list

2754

What are the fundamental features of an object-oriented language?

1127

What is the difference between public and private data members?

1237

Explain how to initialize a const member data.

1084

What doescout<<(0==0) print out a) 0 b) 1 c) Compiler error: Lvalue required

1025

How do you achieve polymorphism?

1139

How can you link a c++ program to c functions?

1144

Is string an object in c++?

1214

why is c++ called oops? Explain

1107

Describe linked list using C++ with an example.

1132

Can a constructor return a value?

1360

Explain what is class definition in c++ ?

1209

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