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The design pattern used by the Spring dynamic data source

time：2024-10-04 08:02:29 Smart Electronics

The design patterns used in Spring

Spring is a very good open source framework, and the design patterns used in the project's source code can be found everywhere, and this article mainly documents the common design patterns in Spring:

(1) Factory mode: Spring uses the factory mode to create objects through BeanFactory and ApplicationContext

 (2) Singleton mode: Beans default to singleton mode

(3) Policy mode: For example, the implementation class of Resource implements different ways of resource acquisition strategies for different resource files

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