Java Answers Forum - inheritence

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inheritence

4 replies on 1 page. Most recent reply: Jul 25, 2003 10:45 AM by Matt Gerrans

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Flat View: This topic has 4 replies on 1 page

sriram

Posts: 11
Nickname: scorpkris
Registered: Jul, 2003

inheritence

Posted: Jul 24, 2003 11:00 PM

can i inherit from 2 classes.
like public class myapp extends Applet,Frame implements....

is this possible.
if there is another way of doing the same, then plz help.

zenykx

Posts: 69
Nickname: zenykx
Registered: May, 2003

Re: inheritence

Posted: Jul 25, 2003 3:26 AM

I think the easy way is RTFM ... and you will see what is java about.
No you cannot use multiple inheritence in java !!!!

Dor

Posts: 13
Nickname: eis
Registered: Jul, 2003

Re: inheritence

Posted: Jul 25, 2003 4:00 AM

Maybe you could try inner classes.

Greg Lehane

Posts: 33
Nickname: glehane
Registered: Jun, 2003

Re: inheritence

Posted: Jul 25, 2003 10:38 AM

No multiple inheritance in Java. You can get around it using interfaces. This is well documented. For example:

http://csis.pace.edu/~bergin/patterns/multipleinheritance.html

(random google search)

=- Greg

Matt Gerrans

Posts: 1153
Nickname: matt
Registered: Feb, 2002

Re: inheritence

Posted: Jul 25, 2003 10:45 AM

If you are trying to get the behavior of both classes, then use Greg's suggestion.

If you are trying to get the implementation of both classes, then you probably want to use composition. I don't have any links for that, but searching for "Java and composition" or similar things on this site, or on Google should turn up plenty of material.

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