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Visitor Pattern
The Visitor design pattern is a behavioral design pattern that allows you to separate algorithms from the objects on which they operate. This pattern is particularly useful when you have a complex object structure and must perform operations across the entire structure without modifying the objects.
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Template Method Pattern
The Template Method pattern is a behavioral design pattern that defines the skeleton of an algorithm in a base class but lets subclasses override specific steps of the algorithm without changing its structure. This pattern is particularly useful when you have an algorithm with a fixed structure but want to allow for variations in certain steps.
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Strategy Pattern
The Strategy pattern is a powerful behavioral design pattern that allows you to define a family of algorithms, encapsulate each one, and make them interchangeable. This pattern lets the algorithm vary independently from clients that use it, promoting flexibility and reusability in your code.
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State Pattern
The State pattern is a behavioral design pattern that allows an object to alter its behavior when its internal state changes. This pattern is beneficial when an object’s behavior depends on its state and must change its behavior at runtime based on that state.
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Observer Pattern
The Observer pattern is a behavioral design pattern that establishes a one-to-many relationship between objects. It allows multiple objects (observers) to be notified automatically when a change occurs in another object (the subject). This pattern is beneficial when maintaining consistency between related objects without tightly coupling them is important.