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How are structural patterns used in design patterns?


Asked by Cesar Howell on Dec 02, 2021 FAQ



A structural design pattern also describes how data moves through the pattern. Structural class patterns use inheritance to combine the interfaces or implementations of multiple classes. Structural class patterns are relatively rare. Structural object patterns use object composition to combine the implementations of multiple objects.
And,
These design patterns are about organizing different classes and objects to form larger structures and provide new functionality. Structural design patterns are Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Private Class Data, and Proxy. Use Case Of Structural Design Pattern-
Accordingly, These design patterns provide a way to create objects while hiding the creation logic, rather than instantiating objects directly using new operator. This gives program more flexibility in deciding which objects need to be created for a given use case. These design patterns concern class and object composition.
Furthermore,
This type of design pattern comes under structural pattern as this pattern decouples implementation class and abstract class by providing a bridge structure between them. This pattern involves an interface which acts as a bridge which makes the functionality of concrete classes independent from interface implementer classes.
Moreover,
These design patterns concern class and object composition. Concept of inheritance is used to compose interfaces and define ways to compose objects to obtain new functionalities. These design patterns are specifically concerned with communication between objects. These design patterns are specifically concerned with the presentation tier.