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?

1113

What is a template in c++?

3 1838

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

1156

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

964

Can we declare a base-class destructor as virtual?

1003

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

1185

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

1167

What are proxy objects in c++?

1175

Specify some guidelines that should be followed while overloading operators?

1201

How a macro differs from a template?

1166

What is the two main roles of operating system?

1034

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

1107

Describe the advantages of operator overloading?

1040

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

1088

How to allocate memory dynamically for a reference?

1040

Un-Answered Questions { C++ }

What does int * mean in c++?

1229

Is c++ vector a linked list?

993

What is name hiding in c++?

1154

Who invented turbo c++?

1064

Can char be a number c++?

1040

What do you by Function Overloading in C++?

1035

What are the restrictions apply to constructors and destructors?

1079

What is byval and byref? What are differences between them?

2210

What is iostream in c++ used for?

1028

What is auto type c++?

1118

What is persistence in oop?

1138

Explain the extern storage classes in c++.

1048

What does the following code do: int c=0; cout< a) Undefined *Updated* b) 01 c) 00

1067

What does no cap mean?

1056

What does return 0 do in c++?

1034

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