Web Reference: Jan 26, 2025 Β· Java 6 has introduced a feature for discovering and loading implementations matching a given interface: Service Provider Interface (SPI). In this tutorial, weβll introduce the components of Java SPI and show how we can apply it to a practical use case. The service can define the interfaces for the functionality and a way to retrieve an implementation. In the word-processor example, a dictionary service can define a way to retrieve a dictionary and the definition of a word, but it does not implement the underlying feature set. Jan 16, 2026 Β· In the context of Java SPI, a service is a well-defined set of interfaces or abstract classes that represent a particular functionality. For example, a logging service might have an interface named Logger with methods like logInfo, logError, etc.
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