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  • 5 years ago

Since interfaces contains only empty methods (in java) ,then why do we implement these interfaces ?what's the use of implementing these empty methods ? is Overriding a factor here ?

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  1. anonymous
    • 5 years ago
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    There are a number of reasons to implement interfaces. One of the chief reasons is Java allows only one tree of inheritance, thus a class can only inherit fron a single ancestor class line. Interfaces, to some extent, overcome the limitation of single tree inheritance by allowing a class to implement methods from multiple ancestors. The discussion can get much more technical but this is a simplified single reason for interfaces.

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