Tagged articles

Spring Events

3 articles · Page 1 of 1

Aug 9, 2026 · Fundamentals

Observer Pattern: Decoupling Order Payment Success Actions via Publish‑Subscribe

The article explains the Observer pattern by first showing the problems of hard‑coding post‑payment actions, then detailing how defining a subject, observer interface, and concrete observers decouples the system, discusses push vs pull notification models, and illustrates real‑world uses in Spring events, GUI listeners, and message queues.

JavaObserver PatternPublish‑Subscribe

0 likes · 14 min read

JD Cloud Developers

Nov 29, 2022 · Backend Development

Mastering Spring’s Observer Pattern: From Basics to Asynchronous Event Handling

This article explains the Observer pattern, its core roles and typical use cases, then dives into Spring's event mechanism—including ApplicationEvent, ApplicationListener, and ApplicationEventPublisher—showing how to configure synchronous and asynchronous event processing with code examples.

ApplicationContextEvent PublishingObserver Pattern

0 likes · 13 min read

Mastering Spring’s Observer Pattern: From Basics to Asynchronous Event Handling

Senior Brother's Insights

Jun 7, 2021 · Fundamentals

Understanding Observer vs Listener Patterns with Java Code and Spring Events

This article explains the observer and listener design patterns, shows how to implement both in Java with concrete code examples, compares their differences, and demonstrates how Spring's event mechanism is a practical application of these patterns.

Design PatternsJavaListener Pattern

0 likes · 11 min read

Understanding Observer vs Listener Patterns with Java Code and Spring Events