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This article explains Spring's IoC container architecture, bean definition processing, lifecycle methods, and AOP proxy creation, providing detailed code examples and step‑by‑step descriptions of resource loading, bean instantiation, dependency injection, and interceptor chains.
This article explains TCP fundamentals—including connection-oriented design, byte‑stream transmission, reliability, header structure, flag meanings, the three‑way handshake, four‑way termination, SYN‑Flood attacks, time‑wait handling, retransmission strategies, kernel tuning parameters, Nagle’s algorithm, and congestion control mechanisms such as slow start and congestion avoidance.
This article explains how Spring Boot launches an application by invoking SpringApplication.run(), initializing the SpringApplication instance, and executing the run method, detailing each internal step, configuration loading, listener handling, and context refresh with illustrative code examples.
The article explains Java’s concurrency mechanisms, detailing how threads communicate and synchronize via shared memory and the Java Memory Model (JMM), describing atomic actions, the MESI cache protocol, and key principles such as happens‑before, visibility, atomicity, and ordering.
This article explains Java's class loading mechanism in depth, covering the class lifecycle stages, the three primary class loaders, the parent‑delegation model, caching behavior, and practical code examples for custom loaders and dynamic loading methods.
Redis 6.0 implements several compact data structures—SDS, ziplist, quicklist, hash, set, and ZSet—each optimized for memory efficiency and performance, and this guide explains their definitions, internal layouts, usage scenarios, and key implementation details such as packing attributes, incremental rehashing, and skiplist operations.
This article explains why monolithic applications should transition to microservices, defines microservice architecture, compares Dubbo and Spring Cloud frameworks, and provides detailed strategies for decomposition, CI/CD, container orchestration, automated operations, and governance to achieve a scalable, maintainable system.
