Defines a set of encapsulated algorithms that can be swapped to carry out a specific behavior.

Use When
- The only difference between many related classes is their behavior.
- Multiple versions or variations of an algorithm are required.
- Algorithms access or utilize data that calling code shouldn't be exposed to.
- The behavior of a class should be defined at runtime.
- Conditional statements are complex and hard to maintain.

Import into your Project

Posted by: Shirley Langley

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