More Java 17: An In-Depth Exploration of the Java Language and Its Features

© Kishori Sharan, Peter Späth 2021

K. Sharan, P. SpäthMore Java 17 https://doi.org/10.1007/978-1-4842-7135-3_7

7. Implementing Services

Kishori Sharan¹   and Peter Späth²

(1)

Montgomery, AL, USA

(2)

Leipzig, Sachsen, Germany

 

In this chapter, you will learn:

• What services, service interfaces, and service providers are

• How to implement a service in Java

• How to use a Java interface as a service implementation

• How to load service providers using the ServiceLoader class

• How to use the uses statement in a module declaration to specify the service interface that the current module discovers and loads using the ServiceLoader class

• How to use the provides statement to specify a service provider provided by the current module

• How to discover, filter, and select service ...