<dependency>
<groupId>com.google.auto.service</groupId>
<artifactId>auto-service</artifactId>
<version>1.0-rc7</version>
</dependency>
public interface HelloService {
void sayHello();
}
import com.google.auto.service.AutoService;
@AutoService(HelloService.class)
public class EnglishHelloService implements HelloService {
@Override
public void sayHello() {
System.out.println("Hello!");
}
}
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>com.google.auto.service</groupId>
<artifactId>auto-service</artifactId>
<version>1.0-rc7</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
import java.util.ServiceLoader;
public class Main {
public static void main(String[] args) {
ServiceLoader<HelloService> loader = ServiceLoader.load(HelloService.class);
for (HelloService helloService : loader) {
helloService.sayHello();
}
}
}
