HorseCare is a small web application created as a practical example of the Decorator Design Pattern using Java and Spring Boot. The application represents a real-world equestrian care scenario: a ...

A structured set of Java exercises on the classic design patterns, grouped into the three families: Creational, Structural, and Behavioral. Each pattern pairs theory with runnable bad/good examples, ...

Improved stability for Nintendo Switch devices connected to a network Fixed an issue that could prevent the game from launching on some iOS devices (MCPE-242503) ...

本篇技术指南聚焦于 java-design-patterns 仓库中 composite-entity 模块实现的 Composite Entity（组合实体） 设计模式。该模式用于将一组相互关联的持久化对象（Dependent Object）封装成单一、统一的粗粒度对象，通常应用于 Enterprise JavaBeans（EJB）等企业级框架场景。读完本文，你将掌握组合实体模式的核心抽象 ...

本文以物联网设备生命周期管理与告警系统为真实场景，深入实践状态模式与观察者模式：用状态模式解耦多态设备状态流转，避免if-else爆炸；用观察者模式实现告警渠道可插拔，支持短信、企业微信等动态切换。同时总结5大落地陷阱，包括幽灵状态、事件类型不一致、循环引用、同步阻塞及模式 ...