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Is ArrayList<X> an aggregation or composition?...

Insert/read a set into a map...

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When to Favor Inheritance Over Composition...

Can two compositions own the same object?...

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Function to set properties of an object of a class composition...

Managing (and renaming) instance variables of class compositions...

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OOP composition...

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is there a way to access an object within an object?...

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Domain Class vs Implementation Class...

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Haskell Monad bind operator confusion...

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Referencing values or methods in inner case-class directly...

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Composition and multiple inheritance...

Would I run into any problems with having protocols with shared requirements?...