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

What is the difference between #define debug 0 and #undef debug?

1179

What are the three forms of cin.get() and what are their differences?

1232

Show the declaration for a static member variable.

992

What are the stages in the development cycle?

1059

What is the protected keyword used for?

1109

What is the difference between cin.read() and cin.getline()?

1076

Declare a class vehicle and make it an abstract data type.

964

What is the difference between a type-specific template friend class and a general template friend class?

977

If a base class is an adt, and it has three pure virtual functions, how many of these functions must be overridden in its derived classes?

1071

How can you create a virtual copy constructor?

1083

Should you pass exceptions by value or by reference?

1133

Can member functions be private?

1001

What is the extraction operator and what does it do?

1081

What is the difference between delegation and implemented-in-terms-of?

1002

What is the difference between the compiler and the preprocessor?

1108

Un-Answered Questions { C++ }

Why do you use the namespace feature?

1083

Write a program to interchange 2 variables without using the third one.

1046

What do you mean by ‘void’ return type?

1052

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

1045

When should we use multiple inheritance?

1040

How are virtual functions implemented in c++?

1062

What is for loop and its syntax?

1077

How many keywords are used in c++?

1015

What are the data types in oop?

1095

Can c++ be faster than c?

1030

How do you master coding?

1031

Describe how to safeguard a system through acquisition of an antivirus Program and systematic backup.

2179

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

1074

What does I oop mean?

1067

Which is best ide for c++?

1011

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