Association versus Dependency
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| + | Dependency is defined as "Dependency exists between two elements if a Change in one may cause change to other." | ||
| + | Quote from Fowler (Pg47) With classes, dependencies exists for various reasons: One Class sends a message to another;one class has another as part of its data;one class mentions another as parameter to an operation. | ||
| + | Association by definition does not suggest a dependency. | ||
Revision as of 10:32, 10 September 2009
Dependency is defined as "Dependency exists between two elements if a Change in one may cause change to other." Quote from Fowler (Pg47) With classes, dependencies exists for various reasons: One Class sends a message to another;one class has another as part of its data;one class mentions another as parameter to an operation.
Association by definition does not suggest a dependency.
