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Spring Framework - ApplicationListener Examples

[Last Updated: Nov 8, 2025]

Spring Framework 

Showing how to listen Spring built-in context related events by implementing ApplicationListener. 

import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.ContextRefreshedEvent;

@Configuration
public class BuildInListenerBasedEventExample {

    @Bean
    AListenerBean listenerBean() {
        return new AListenerBean();
    }

    public static void main(String[] args) {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
                BuildInListenerBasedEventExample.class);
    }

    private static class AListenerBean implements ApplicationListener<ContextRefreshedEvent> {

        @Override
        public void onApplicationEvent(ContextRefreshedEvent event) {
            System.out.println("context refreshed event received: " + event);
        }
    }
}
Original Post




Using ApplicationListener to listen multiple events. 

import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class BuildInListenerBasedMultipleEventExample {

    @Bean
    AListenerBean listenerBean () {
        return new AListenerBean();
    }

    public static void main (String[] args) {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
                            BuildInListenerBasedMultipleEventExample.class);
        context.stop();
        context.start();
        context.close();

    }

    private static class AListenerBean implements ApplicationListener<ApplicationEvent> {

        @Override
        public void onApplicationEvent (ApplicationEvent event) {
            System.out.println("event received: "+event);
        }
    }
}
Original Post

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