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

Explain how to initialize a const member data.

1033

When do we use copy constructors?

1084

Explain the benefits of proper inheritance.

1150

Write a program using merge () function to combine the elements of array x[ ] and y[ ] into array z[ ].

1065

Write some differences between an external iterator and an internal iterator? Describe the advantage of an external iterator.

1071

When does a 'this' pointer get created?

1097

What is the real purpose of class – to export data?

1113

What are the various situations where a copy constructor is invoked?

1132

What are the advantages of using friend classes?

1152

Write some differences between an external iterator and an internal iterator?

1026

What is pure virtual function? Or what is abstract class?

1062

Differentiate between an external iterator and an internal iterator? What is the advantage of an external iterator.

1044

What is type of 'this' pointer?

1065

What happens when you make call 'delete this;'?

1102

Differentiate between an external iterator and an internal iterator?

998

Un-Answered Questions { C++ }

How does com provide language transparency?

1010

What is the use of bit fields in structure declaration?

987

What are c++ storage classes?

1103

How do you save a c++ program?

1041

Are there any special rules about inlining?

1085

Is c++ platform dependent?

1081

What is vector string in c++?

1090

a program using one dimensional array that searches a number if it is found on the list of given input numbers given by the user and locate its exact location in the list.

1955

What is #include iomanip?

1010

Tell me what are static member functions?

1085

Is c++ free?

1101

What's the value of the expression 5["abxdef"]?

1559

List different attributes in C++?

1097

Assume studentNames and studentIDs are two parallel arrays of size N that hold student data. Write a pseudocode algorithm that sorts studentIDs array in ascending ID number order such that the two arrays remain parallel.

2202

What is the protected keyword used for?

1113

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