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 1981

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

1226

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?

1079

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

1269

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?

1272

How a macro differs from a template?

1223

What is the two main roles of operating system?

1134

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

1174

Describe the advantages of operator overloading?

1084

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

1172

How to allocate memory dynamically for a reference?

1098

Un-Answered Questions { C++ }

What is while loops?

1105

List the issue that the auto_ptr object handles?

1078

What do you mean by function and operator overloading in c++?

1116

Write about the local class and mention its use?

1139

What do you mean by global variables?

1129

What is one dimensional array in c++?

1186

What are built-in functions? What is the syntax for the definition?

1140

What is c++ similar to?

1256

Using a smart pointer can we iterate through a container?

1147

What are the 4 pillars of oop?

1210

What is the use of lambda in c++?

1085

What is c++ good for?

1119

What is a Default constructor?

1683

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1179

How many characters are recognized by ANSI C++?

1469

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