Former Ant Group P8 engineer, pure technologist, sharing full‑stack Java, job interview and career advice through a column. Site: java-family.cn
This article introduces a Spring‑based download library that lets developers add a single @Download annotation to any controller method to automatically handle file, HTTP resource, or text downloads, supporting concurrent loading, compression, and both WebMVC and WebFlux response models.
Jeandle, an open‑source JIT compiler built on LLVM, brings advanced optimization and code generation to the OpenJDK HotSpot JVM, promising dramatic performance gains, modular extensibility, and a roadmap that includes full bytecode support, custom Java optimizations, and modern garbage‑collection integration.
This article walks through nine powerful MyBatis dynamic SQL tags—including foreach, if, choose, selectKey, trim, and sql fragments—explaining their attributes, common pitfalls, and providing complete XML and Java examples to help developers write cleaner, error‑free queries and updates.
This article explains what Podman is, highlights its key differences from Docker—including daemon‑less and rootless operation—covers installation, configuration, common commands, image handling, volume management, and how to set up registry accelerators for efficient container workflows.
This article explains how to redesign Spring MVC controllers by introducing a unified response wrapper, handling String conversion issues, applying JSR‑303 validation, creating custom validators, and centralizing exception handling to produce clean, maintainable backend code.
This article introduces Graceful Response, a Spring Boot component that provides one‑stop unified response wrapping, global exception handling, and custom error codes, showing how to integrate it via Maven, enable it with annotations, and simplify controller and service code while improving readability and reducing boilerplate.
The article examines Docker's diminishing dominance, outlines its historical contributions and current limitations, and explores emerging lightweight alternatives, modern runtimes, micro‑Kubernetes solutions, and AI‑driven orchestration, guiding developers toward a more secure, efficient, and customizable container ecosystem.
This article walks through the design and implementation of a lightweight API firewall embedded in a Spring Boot application, covering background pain points, architecture, core capabilities such as black‑white list, rate limiting, online configuration, detailed Java code, front‑end console, deployment, and practical use cases.
MyBatis-Flex is a lightweight, high‑performance MyBatis enhancement offering flexible query building, extensive database support, and features like multi‑table joins, logical deletion, and data auditing; the article compares it with MyBatis‑Plus, presents benchmark results, lists supported databases, and provides a step‑by‑step Spring Boot integration guide.
Learn how to integrate asyncTool into a Spring Boot project, configure custom thread pools, understand core interfaces like IWorker and ICallback, and implement serial, parallel, and mixed task flows with detailed code examples and best‑practice guidelines for robust asynchronous task orchestration.
