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

How do you compile the source code with your compiler?

1017

What are the two types of comments, and how do they differ?

1062

If there are two catch statements, one for base and one for derived, which should come first?

995

If a function doesn’t return a value, how do you declare the function?

1013

If dog is a friend of boy, and terrier derives from dog, is terrier a friend of boy?

996

What is the difference between the parameter to a template and the parameter to a function?

1072

How many static variables are created if you put one static member into a template class definition?

988

When is the copy constructor called?

1093

What does new return if there is insufficient memory to make your new object?

986

How do you establish a has-a relationship?

1048

Show the declaration for a pointer to function returning long and taking an integer parameter.

1084

Is it legal in c++ to overload operator++ so that it decrements a value in your class?

1015

How do you invoke a base member function from a derived class in which you have not overridden that function?

1079

What is an inclusion guard?

1122

Where must the declaration of a friend function appear?

919

Un-Answered Questions { C++ }

What does flush do c++?

1023

Explain public, protected, private in c++?

967

What are the differences between malloc() and calloc()?

1118

Is ca high or low level language?

1032

Explain the difference between c++ and java.

1065

What is the purpose of ios::basefield in the following statement?

1207

Why is oop useful?

1045

What is the difference between struct and class?

1448

What are single and multiple inheritances in c++?

1044

How will you print a list of all unique words from a string which may contain repeated words?

904

Differentiate between structure and class in c++.

1034

What is the need of a destructor?

1084

What is this weird colon-member (" : ") syntax in the constructor?

978

Explain what are the sizes and ranges of the basic c++ data types?

1124

When does a 'this' pointer get created?

1042

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