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Difference Between Abstract and Interface

Maheswaran Devaraj
Ranch Hand

Joined: Sep 14, 2007
Posts: 47
Hi All,

I want to know where we have to use abstract class and where we have to use the Interface.

Regards,
Maheswaran
Vijitha Kumara
Bartender

Joined: Mar 24, 2008
Posts: 3775

If you want to provide some/common implementations for certain behaviors you may use abstract classes whereas interfaces (being 100% abstract) you force the implemented class to implement the behavior. You may find lots of information by searching through the forums (java) here. And find this Sun tutorial which would be helpful.


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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 36599
    
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"Maheswaran" please read the important administrative private message I just sent you.
 
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