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Problem
Solution
Benefits Consequences
Context
Forces
Related patterns
Figure 1. A pattern is a problem-solution pair (adapted from Mowbray [7]).
«participates»
«participates»
Account AccountWrapper
OverdraftStrategy
Deduct FeeOverdraft Not Allowed
Strategy patternDecorator pattern
«participates»
«participates»
Figure 2. Two patterns in a banking system (adapted from [9]).
