Re: Object orientation question
On 28.10.2014 10:45, Andreas Leitgeb wrote:
Robert Klemme <shortcutter@googlemail.com> wrote:
On 27.10.2014 21:51, Eric Sosman wrote:
Clearly, the generated code is the same: AdditionInterface extends
BaseInterface, therefore any class implementing AdditionInterface also
necessarily implements BaseInterface. If the class fails to provide a
method specified by BaseInterface, the code won't compile. So the
question is purely about readability and style.
This is not fully correct: if you check with reflection you will see
that there is a difference in what Class.getInterfaces() returns.
You don't even need reflection to notice a difference:
interface A { ... } | interface A { ... }
interface B { ... } | interface B extends A { ... }
class C implements A,B { ... } | class C implements B { ... }
That is not the situation I was referring to. In both _my_ cases B
extends A. The difference is just in the declaration what C implements.
Cheers
robert
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