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

Describe private, protected and public?

1141

Explain differences between new() and delete()?

1152

What is c++ namespace?

1269

Suppose that data is an array of 1000 integers. Write a single function call that will sort the 100 elements data [222] through data [321].

1509

Will the following program execute?

1091

How can you quickly find the number of elements stored in a static array? Why is it difficult to store linked list in an array?

1030

Differences between private, protected and public and give examples.

1133

How can you quickly find the number of elements stored in a dynamic array? Why is it difficult to store linked list in an array?

1092

What is wrapper class in c++?

1205

Describe private, protected and public – the differences and give examples.

1279

How do you find out if a linked-list has an end?

1193

What is the output of the following program? Why?

1212

How can you quickly find the number of elements stored in a static array?

1150

What it is and how it might be called (2 methods).

1271

Define a constructor - what it is and how it might be called (2 methods)?

1238

Un-Answered Questions { C++ }

What is the purpose of polymorphism?

1185

What is a standard template library (stl)?

1176

What is a block in c++?

1105

Why do we use constructor?

1121

What's c++ used for?

1170

What's the "software peter principle”?

1208

In what situations do you have to use initialization list rather than assignment in constructors?

1115

Explain how to initialize a const member data.

1084

Can enum be null?

1075

Why isn't sizeof for a struct equal to the sum of sizeof of each member?

1069

What are the three parts of a simple empty class?

2112

In what scenario does the Logical file and Physical file being used?

2965

How does polymorphism work?

1194

What is overriding in oops?

1166

How is c++ different from java?

1109

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