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subject > representation > abstraction > data abstraction > association > one-way association |
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one-way association comparison table |
Subject | implement by |
---|---|
one-way association where the multiplicity at the other end is 'many' | using a collection class such as Vector in Java |
one-way association where the multiplicity at the other end is 'one' or 'optional' | declaring an instance variable of that class in Java |
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