Question: classes and relationship between classes study the following sentences. a) a directory contains files b) a room contain walls. c) modems and keyboards are input/output

classes and relationship between classes study the following sentences. a) a directory contains files b) a room contain walls. c) modems and keyboards are input/output peripherals d) a stock-excahnge deal is purchase or a sale e) a bank account can belong to an individual or legal entity draw the corresponding class diagram for each.

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