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Answers and rating deltas for

In an UML diagram, when should a class be abstract?

Author Votes Δ
Goran Jovic 5 +4.15
Dan Abramov 3 +2.49
amelvin 2 +0.53
Rubens Farias 0 -0.57
Tobi 0 -1.97
Aesir 0 -2.00
de_Astle 0 -2.00
Last visited: Sep 14, 2014, 5:07:29 AM