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toBeTopJavaer
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Java 中区分 API 和 SPI,通俗的讲:API 和 SPI 都是相对的概念,他们的差别只在语义上,API 直接被应用开发人员使用,SPI 被框架扩展人员使用
API Application Programming Interface
大多数情况下,都是实现方来制定接口并完成对接口的不同实现,调用方仅仅依赖却无权选择不同实现。
SPI Service Provider Interface
而如果是调用方来制定接口,实现方来针对接口来实现不同的实现。调用方来选择自己需要的实现方。
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