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.

1084

When do we use copy constructors?

1133

Explain the benefits of proper inheritance.

1199

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

1114

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

1122

When does a 'this' pointer get created?

1155

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

1169

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

1180

What are the advantages of using friend classes?

1206

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

1087

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

1125

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

1101

What is type of 'this' pointer?

1123

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

1162

Differentiate between an external iterator and an internal iterator?

1057

Un-Answered Questions { C++ }

Why do we use class in oops?

1027

What are disadvantages of pointers?

1101

Can a program run without main function?

1226

Differentiate between the manipulator and setf( ) function?

1317

What does the following code do: int c=0; cout< a) Undefined *Updated* b) 01 c) 00

1130

What are the advantages of inheritance in c++?

1147

How does atoi function work?

1184

Will rust take over c++?

1120

What is do..while loops structure?

1215

What is object-oriented programming? Webopedia definition

1346

Explain virtual destructor?

1257

Why would you use pointers in c++?

1220

Explain the different access specifiers for the class member in c++.

1068

can inline function declare in private part of class?

4505

What are namespaces in c++?

1141

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