Multi Level Class Inheritance in Java
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In this article, I shall provide an introduction to multi-level inheritance when programming with OOPS in Java using NetBeans IDE. I will also cover calling methods of the super class, and discuss a simple, practical example.
A downloadable file for this article is available
here.
I already introduced the NetBeans IDE in my first article here. Even though that article is fairly introductory, the next two articles concentrate on the basics of JFC. You can find the next two articles here:
http://www.devarticles.com/c/a/Java/Working-with-JFCSwing-Controls-using-
NetBeans-IDE/
http://www.devarticles.com/c/a/Java/Creating-Control-Buttons-with-NetBeans-IDE/
If you are new to NetBeans IDE, I strongly suggest you go through the above existing articles first, before proceeding with this one. If you are new to OOP in Java using NetBeans IDE, I suggest you go through my first article in this same series, which you can find here. If you are new to developing Microsoft SQL Server based Java applications, I request you go through another article of mine (of course, this is part of a series as well) which you can find here:
http://www.devarticles.com/c/a/Java/Developing-SQL-Server-based-Java-Apps-
using-NetBeans-IDE/
I will not be going through each and every step of creating and working with projects in NetBeans IDE, as all of those issues have been covered very clearly at the above links.
Next: An example of multi-level inheritance: code >>
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