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 1857

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?

1010

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++?

1185

Specify some guidelines that should be followed while overloading operators?

1209

How a macro differs from a template?

1178

What is the two main roles of operating system?

1041

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?

1048

Un-Answered Questions { C++ }

How would you call C functions from C++ and vice versa?

1173

Which is the best c++ compiler?

1077

How to reverse a string in C++

815

Explain the difference between new() and malloc() in c++?

1131

What are the data types in oop?

1103

What are the vectors in c++?

1033

What is set in c++?

1135

What is class in oop with example?

1100

What is a type library?

1111

How do you define a class in c++?

1084

What is flag in computer?

1055

What is code reusability in c++?

1244

Why do we need templates?

991

What is the function to call to turn an ascii string into a long?

1067

Will c++ be replaced?

1046

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