Computer scienceBackendSpring BootCore container

Events and listeners

Publish the event

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What code line can you use to publish the event in the following application?

@SpringBootApplication
public class EventsAndListenersProjectApplication {

    public static void main(String[] args) {
        SpringApplication.run(EventsAndListenersProjectApplication.class, args);
    }
}

@Component
class Runner implements CommandLineRunner {

    private final ApplicationEventPublisher eventPublisher;

    public Runner(ApplicationEventPublisher eventPublisher) {
        this.eventPublisher = eventPublisher;
    }

    @Override
    public void run(String... args) {
        TestEvent event = new TestEvent(this);
        //code line to publish event
    }
}

Select one option from the list

System.publish(event);

eventPublisher.publish(event);

publishEvent(event);

eventPublisher.publishEvent(event);

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