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Java Architecture Diary

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Java Architecture Diary
Java Architecture Diary
Mar 12, 2026 · Artificial Intelligence

JetBrains Air vs OpenAI Codex App: Which AI Coding Tool Really Wins?

The article compares JetBrains Air and OpenAI Codex App, detailing their architectures, model support, isolation mechanisms, pricing, and market positioning, and ultimately advises developers to favor terminal‑based AI tools over heavyweight desktop applications.

AI coding toolsJetBrains AIROpenAI Codex
0 likes · 7 min read
JetBrains Air vs OpenAI Codex App: Which AI Coding Tool Really Wins?
Java Architecture Diary
Java Architecture Diary
Feb 10, 2026 · Artificial Intelligence

Boost RAG Accuracy with LangChain4j 1.11.0 Hybrid Search on PgVector

This guide explains why pure vector retrieval often fails for version‑specific queries, introduces hybrid search that combines semantic and keyword matching, and provides step‑by‑step code and SQL examples for enabling PgVector hybrid search in LangChain4j 1.11.0.

Full-text searchHybrid SearchLangchain4j
0 likes · 11 min read
Boost RAG Accuracy with LangChain4j 1.11.0 Hybrid Search on PgVector
Java Architecture Diary
Java Architecture Diary
Feb 9, 2026 · Backend Development

How to Navigate the Breaking Changes in Spring Cloud Alibaba 2025.1.0.0 for Spring Boot 4

The article outlines the five major technical changes introduced in Spring Cloud Alibaba 2025.1.0.0—including the removal of bootstrap.yml, Sentinel's shift to Jackson 3, Nacos security upgrades, Seata's WebFlux transaction support, and RocketMQ's Spring Boot 4 adaptation—plus a detailed migration checklist to help developers upgrade smoothly.

ConfigurationSpring Boot 4Spring Cloud
0 likes · 8 min read
How to Navigate the Breaking Changes in Spring Cloud Alibaba 2025.1.0.0 for Spring Boot 4
Java Architecture Diary
Java Architecture Diary
Feb 5, 2026 · Backend Development

How Spring Debugger Enables Agent‑Free Remote Debugging of Java Apps

The article explains how JetBrains' Spring Debugger plugin provides remote debugging for Spring applications without using Java agents, detailing the underlying thread‑model tricks, supported containers, practical features like bean inspection and SQL execution, and step‑by‑step JDWP configuration.

IDE pluginJavaSpring
0 likes · 11 min read
How Spring Debugger Enables Agent‑Free Remote Debugging of Java Apps
Java Architecture Diary
Java Architecture Diary
Feb 2, 2026 · Artificial Intelligence

Why a 10‑Year‑Old Java JSON Library Is Now Targeting LLMs with TOON

json-io, a decade‑old Java JSON library known for zero‑config, circular‑reference support, and lightweight size, has added full TOON (Token‑Oriented Object Notation) read/write capabilities, a token‑efficient format designed for LLMs that can cut serialization costs by 30‑60% and integrates seamlessly with Spring Boot and Spring AI.

AIJavaLLM
0 likes · 9 min read
Why a 10‑Year‑Old Java JSON Library Is Now Targeting LLMs with TOON