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Abstract classes vs Concreate classes

Perumal Kasi
Greenhorn

Joined: Jul 10, 2004
Posts: 12
Hi Friends,

Why do we need abstract class?
We can do every thing in concrete class.
Can anyone explain with example?

Thanks,
Chetan Parekh
Ranch Hand

Joined: Sep 16, 2004
Posts: 3636
I recommend you to read following articles. Although, they are taking about difference between Interface and Abstract class, still they have good inpust about why abstract classes are required.

Interfaces and Abstract Classes - the pillars of software design
Effective use of Interfaces and Abstract Classes


My blood is tested +ve for Java.
Paul Sturrock
Bartender

Joined: Apr 14, 2004
Posts: 10336

Not really an advanced question. Moving...


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