This article examines the technical challenges of modernizing legacy J2EE monoliths and presents Alibaba Cloud Application Server's progressive containerization, AI integration, and observability solutions that enable seamless migration to intelligent, cloud‑native architectures.
This article explains four ways to use WebSocket in Java—J2EE, Spring, SocketIO, and Netty—covering protocol basics, required dependencies, configuration code, and practical examples so developers can choose the most suitable approach for real‑time communication.
Zheng is a full‑stack J2EE enterprise solution that offers a complete suite of micro‑service modules—including content management, payment, user management, WeChat integration, storage, configuration, logging, and task scheduling—designed to help small‑to‑medium businesses build robust, scalable applications using Spring, MyBatis, Thymeleaf and related technologies.
The article introduces Zheng, a full‑stack J2EE enterprise solution built on Spring, SpringMVC and Mybatis, detailing its modular microservice architecture, technology stack, module functions, environment setup, deployment tools, and provides links to the source repository and demo screenshots.
This article presents a detailed Java learning roadmap covering core language fundamentals, intermediate topics like I/O and multithreading, advanced concepts such as design patterns and frameworks, front‑end basics, databases, J2EE, popular frameworks, server technologies, development tools, and practical project recommendations.
This article outlines 25 critical areas—from object‑oriented design and core Java libraries to JVM internals, web frameworks, middleware, and project experience—that aspiring developers must master to become expert Java backend engineers, emphasizing both deep technical knowledge and practical project work.
This comprehensive article explores the business need for Single Sign-On, explains its internal ticket‑based mechanisms, presents detailed Web‑SSO and desktop SSO implementations with full source code, analyzes security and performance risks, and offers step‑by‑step deployment guidance for Java/J2EE environments.
This article explains the concepts of Single Sign‑On and Message Queues, outlines their business scenarios, core elements, and simple implementation approaches in J2EE, and provides a concrete Spring‑Redis example with configuration and listener code.
