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Osg
Questions (1)
We want to develop software to manage an epidemic. The software
allows users (who each have a nickname) to specify who they are
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Answers (2)
Hello, I need help with this exercise, I really have no idea how to combine the Factory method (to create shapes) with the Observer design pattern (to change colors of shapes based on their condition).
a = 1/2 b = 3/2
