Object-Oriented Patterns

Branch by Abstraction decouples the logic that chooses which implementation to use from the implementations themselves. Instead of using conditional statements (if/else or switch) to select behavior based on type or configuration, it introduces an abstraction (interface or abstract class) and provides different …

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The Extension Object pattern addresses the problem of adding functionality to existing classes without modifying their core structure. It achieves this by encapsulating varying behaviors into separate extension classes, which are then passed to the client class to execute specific operations. This promotes the Single …

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