Can a class have two superclasses at the same time? - Post.Byes

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phpuser123

New Member

Join Date: Dec 2009

Posts: 108
#1

Can a class have two superclasses at the same time?

Jan 4 '11, 01:19 PM

I have a class Journey which I want to make a superclass and another class plannedjourney.
The plannedjourney class extends JFrame since it contains forms..However I also want this class to extends Journey..

Is there a possible way to do this?
Tags: java, subclass, superclass
Dheeraj Joshi

Recognized Expert Top Contributor

Join Date: Jul 2009

Posts: 1129
#2

Jan 4 '11, 02:00 PM

You can use interfaces.

Regards
Dheeraj Joshi
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Dheeraj Joshi

Recognized Expert Top Contributor

Join Date: Jul 2009

Posts: 1129
#3

Jan 4 '11, 02:01 PM

Or you can also use inner classes. I guess if you do not want interfaces better to use inner classes.

Regards
Dheeraj Joshi
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horace1

Recognized Expert Top Contributor

Join Date: Nov 2006

Posts: 1510
#4

Jan 4 '11, 07:41 PM

See the following discussion "Why not multiple inheritance?" in Javaworld

InfoWorld

http://www.javaworld.com/javaqa/2002-07/02-qa-0719-multinheritance.html

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