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?

1115

What is a template in c++?

3 1858

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

1161

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

972

Can we declare a base-class destructor as virtual?

1012

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

1191

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

1180

What are proxy objects in c++?

1188

Specify some guidelines that should be followed while overloading operators?

1209

How a macro differs from a template?

1179

What is the two main roles of operating system?

1043

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

1114

Describe the advantages of operator overloading?

1048

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

1101

How to allocate memory dynamically for a reference?

1049

Un-Answered Questions { C++ }

What is c++ best used for?

1068

How do you invoke a base member function from a derived class in which you’ve overridden that function?

1116

What is unary operator? List out the different operators involved in the unary operator.

1007

What do you understand by zombie objects in c++?

1102

Can we get the value of ios format flags?

1141

Explain linear search.

1061

What is one dimensional array in c++?

1113

By using c++ with an example describe linked list?

1031

Is stl part of c++ standard?

1094

What is overloading in oop?

1012

What is the difference between an enumeration and a set of pre-processor # defines?

1391

Why are pointers not used in c++?

1139

Why is c++ still best?

983

What is difference between n and endl in c++?

1096

Is the declaration of a class its interface or its implementation?

1175

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