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Alternatives to inheritance November 28, 2006

Posted by Allu in JAVA.
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Delegation is an alternative to inheritance. Delegation means that you include an instance of another class as an instance variable, and forward messages to the instance. It is often safer than inheritance because it forces you to think about each message you forward, because the instance is of a known class, rather than a new class, and because it doesn’t force you to accept all the methods of the super class: you can provide only the methods that really make sense. On the other hand, it makes you write more code, and it is harder to re-use (because it is not a subclass)

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Comments»

1. KNRaju - January 31, 2007

Can u give me an example code to this

2. vinoth - September 26, 2007

me also need a suitable example but asap


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