There are three ways in Javadoc that you can reference interface doc from implementations.
For a while I've favoured alternative A over alternative B because of the "inherited doc in Eclipse" issue. But there are still disadvantages of this approach.
I recently discovered the {@inheritdoc} tag in Javadoc: alternative C. It's attractive, but it's a tough call because even though the only issue with it is the lack of inherited doc in Eclipse, that's a pretty big issue for me.
Right-click "Open Super Implementation" allows navigation up the tree to see the superclass or interface's doc but it still doesn't help with tool tips for calls to the implementation.
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