{"id":30496,"date":"2023-01-15T07:19:45","date_gmt":"2023-01-15T01:49:45","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-i-can-implement-this-hierarchy-closed\/"},"modified":"2023-01-15T07:19:45","modified_gmt":"2023-01-15T01:49:45","slug":"solved-how-i-can-implement-this-hierarchy-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-i-can-implement-this-hierarchy-closed\/","title":{"rendered":"[Solved] How I can implement this hierarchy? [closed]"},"content":{"rendered":"

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No, you don’t make variables for an animal’s traits, because those traits don’t change (disregarding evolution).<\/p>\n

Firstly, you need a decent book on object-oriented design, rather than asking us to help. Take some initiative and do some research.<\/p>\n

For the moment, how about just implementing some basic polymorphic boolean functions like IsTerrestrial()<\/code>, IsAquatic()<\/code>, etc… Maybe make an enumeration for AquaticType<\/code> that returns None<\/code>, FreshWater<\/code>, SaltWater<\/code> or Both<\/code>. You override these methods at the highest level possible so that your subtypes don’t have to worry.<\/p>\n

For example, almost all fish are not terrestrial, so the subclasses of Fish<\/code> should not have to implement this method (the Fish<\/code> class should). Likewise, most mammals are not aquatic.<\/p>\n

This is all a bit subjective. There are many ways to represent this information in a class hierarchy, but this should give you a start.<\/p>\n<\/p><\/div>\n

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solved How I can implement this hierarchy? [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"

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