What is Inheritance ?

Search Interview Questions

 More than 3000 questions in repository.
 There are more than 900 unanswered questions.
Click here and help us by providing the answer.
 Have a video suggestion.
Click Correct / Improve and please let us know.
Label / Company      Label / Company / Text


Interview Questions and Answers

Must know at all levels. Among Top 10 frequently asked questions in Java. Very frequently asked to fresh graduates or less experienced professionals.
  Q1. What is Inheritance ?Core Java
Ans. Its a facility for code reuse and independent extension wherein a derived class inherits the properties of parent class.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     inheritance  object oriented programming (oops)  oops concepts  oops concepts  java concepts  code reuse  code re-use   classes  derived classes     Asked in 14 Companies      basic        frequent

Related Questions

  Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?
  Differences between abstract class and interface ?
 What are different types of classes ?
  Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?
 Which of the following can be marked static ?

a. Methods , Variables and Initialization Blocks.
b. Methods , Variables , Initialization Blocks and Outer Classes and nested Classes.
c. Methods , Variables , Initialization Blocks and Outer Classes.
d. Methods , Variables , Initialization Blocks and nested Classes
 What is the difference between the following two code lines ?

1. new OuterClass().new InnerClass();

2. new OuterClass.InnerClass();
  What are the Wrapper classes available for primitive types ?
  What are wrapper classes ?
  Why Struts 1 Classes are not Thread Safe whereas Struts 2 classes are thread safe ?
  What is a stream and what are the types of Streams and classes of the Streams?

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked: