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?

1071

What is a template in c++?

3 1756

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

1101

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

926

Can we declare a base-class destructor as virtual?

971

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

1132

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

1121

What are proxy objects in c++?

1137

Specify some guidelines that should be followed while overloading operators?

1150

How a macro differs from a template?

1114

What is the two main roles of operating system?

986

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

1066

Describe the advantages of operator overloading?

995

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

1027

How to allocate memory dynamically for a reference?

1007

Un-Answered Questions { C++ }

What does it mean to declare a member function as static?

1024

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

1066

what type of question are asked in thoughtworks pair programming round ?

2156

What are objects in oop?

1045

How can you tell what shell you are running on unix system?

1081

Why polymorphism is used in oops?

1005

what are the characteristics of Class Members in C++?

1001

What is the difference between encapsulation and polymorphism?

1056

Describe these concepts: Polymorphism, Inheritance and Abstraction.

1153

what is different between oops and c++

2465

What are the differences between the function prototype and the function defi-nition?

1052

What is an advantage of polymorphism?

1038

How many times will this loop execute? Explain your answer.

837

What is inheritance in simple words?

1019

What is the fastest c++ compiler?

1042

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