When is an interface "good"?
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Answer / abalonesoft
When it provides a simplified view of a chunk of software,
and it is expressed in the vocabulary of a user (where a
"chunk" is normally a class or a tight group of classes, and
a "user" is another developer rather than the ultimate
customer).
The "simplified view" means unnecessary details are
intentionally hidden. This reduces the user's defect-rate.
The "vocabulary of users" means users don't need to learn a
new set of words and concepts. This reduces the user's
learning curve.
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