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Thread: differences between interface and abstract class

  1. Jul 25th, 2005, 01:23 AM #1
    purusingh1
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    differences between interface and abstract class

    what are the differences between interface and abstract class?
    When should I use abstract class and when interface?
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  2. Jul 25th, 2005, 01:38 AM #2
    Dillinger4
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    Re: differences between interface and abstract class

    Kinda a hard question to sum up in a few lines but interfaces usually define a "has a" relationship whereas abstract classes define a "is a" relationship. ie A car has a console. A Circle is a Shape.
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  3. Jul 25th, 2005, 01:44 AM #3
    purusingh1
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    Re: differences between interface and abstract class

    Thanks
    It would be great if you give some examples(codes).
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