CS 47/147 Advanced Object-Oriented Programming - Caltech
CS 47/147 Advanced Object-Oriented Programming - Caltech
CS 47/147 Advanced Object-Oriented Programming - Caltech
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Book Example: File System• Basic objects in a filesystem:Files and Directories.FileDir• Each box (node) indiagram is a set.• Some sets correspond totypes or classes; othersmay not.• We know a set’s intuitivemeaning, but don’t specifyits members concretely.12