Conference on Neat Guy Coding

Agent-Agnostic Java Quality Guardrails: Put Standards in the Repo with AGENTS.md and Static Analysis

Mon, 18 May 2026 00:00:00 +0000

Agent-agnostic Java quality guardrails: use AGENTS.md and static analysis to encode standards in the repository.

Agentic AI in the Java Ecosystem: How Three Frameworks Clarify Orchestration Differences Through One Use Case

Mon, 18 May 2026 00:00:00 +0000

Agentic AI in the Java Ecosystem: How Three Frameworks Clarify Orchestration Differences Through One Use Case

Demystifying Spring Boot with Spring Debugger: The Real Chain of Properties, Beans, and Transactions

Mon, 18 May 2026 00:00:00 +0000

Demystifying Spring Boot with Spring Debugger: The Real Chain of Properties, Beans, and Transactions

Embedding Copilot in the Java Toolchain: From the CLI to the SDK and Plugins

Mon, 18 May 2026 00:00:00 +0000

Embedding Copilot in the Java toolchain: from the terminal CLI to the SDK and IDE plugins.

Escape the Multi-Stack Trap: Modernize Desktop UIs in Java Without a Full React Rewrite

Mon, 18 May 2026 00:00:00 +0000

Escape the Multi-Stack Trap: Modernize Desktop UIs in Java Without a Full React Rewrite

From 'It Runs' to 'It's Controlled': Reliable Java AI Agents with Domain Modeling and Koog

Mon, 18 May 2026 00:00:00 +0000

Use domain modeling to move Java AI agents from ‘it runs’ to ‘it’s controlled’—orchestration, contracts, and type-safe pipelines with Koog.

From JDK 8 to 25: Treating a Seventeen-Version Upgrade as Platform Engineering

Mon, 18 May 2026 00:00:00 +0000

From JDK 8 to 25: Treating a Seventeen-Version Upgrade as Platform Engineering

From Records to Deconstructible Types: Amber's Deconstruction–Reconstruction Path and Syntax Governance

Mon, 18 May 2026 00:00:00 +0000

When JEP 395 bundles immutable carriers, nominal tuples, and record patterns, any evolution beyond its constraints loses both compact syntax and expressive power on the pattern-matching side. Project Amber is elevating fixed-component-shape deconstruction to a top-level type property, narrowing the narrative to deconstructible class in mail #2; JEP 468 (Candidate, preview) has long awaited a broader class-level deconstruction path. This article explains motivation, terminology alignable with public documentation, and how engineers should read preview features and the upcoming Pattern Assignment (no Preview JEP yet; see Amber features 2026 mail) in dependency order.

From REST to GraphQL: Contracts, Resolvers, and Real-Time Push on the Spring Stack

Mon, 18 May 2026 00:00:00 +0000

From REST to GraphQL: Contracts, Resolvers, and Real-Time Push on the Spring Stack

Getting Back to Java in 2026: A Modernization Path for Experienced Engineers

Mon, 18 May 2026 00:00:00 +0000

Getting Back to Java in 2026: A Modernization Path for Experienced Engineers

How Generic Code Gets Fast on the JVM: Erasure, Profiling, and Climbing Back After the Cliff

Mon, 18 May 2026 00:00:00 +0000

How generic code speeds up on the JVM: erasure, profiling, and climbing back after the performance cliff.

How JDK 26 Improves G1 Throughput: Write-Barrier Synchronization and the Default Collector Roadmap

Mon, 18 May 2026 00:00:00 +0000

How JDK 26 Improves G1 Throughput: Write-Barrier Synchronization and the Default Collector Roadmap

Hyperscale Java Platform: From Federated GraphQL to JVM Defaults

Mon, 18 May 2026 00:00:00 +0000

Hyperscale Java Platform: From Federated GraphQL to JVM Defaults

Java Platform Cross-Cutting Q&A: Modules, Build Tools, Lombok, and Compatibility Discipline

Mon, 18 May 2026 00:00:00 +0000

Java Platform Cross-Cutting Q&A: Modules, Build Tools, Lombok, and Compatibility Discipline

JavaFX 26: Engineering Baseline and Selection Boundaries for Desktop UI

Mon, 18 May 2026 00:00:00 +0000

JavaFX 26: Engineering Baseline and Selection Boundaries for Desktop UI

JVM and Spring Boot Observability: How the Three Signals Actually Connect

Mon, 18 May 2026 00:00:00 +0000

JVM and Spring Boot Observability: How the Three Signals Actually Connect

Post-Mortem JVM Crash Analysis: Read Cores with jcmd, Not a Second Toolchain

Mon, 18 May 2026 00:00:00 +0000

Post-Mortem JVM Crash Analysis: Read Cores with jcmd, Not a Second Toolchain

Production-Ready GenAI with Open Models: LangChain4j Integration Path for Java Teams

Mon, 18 May 2026 00:00:00 +0000

Production-Ready GenAI with Open Models: LangChain4j Integration Path for Java Teams

Shipping Java Kernels to the GPU with Code Reflection: An Engineering Slice of HAT and Project Babylon

Mon, 18 May 2026 00:00:00 +0000

Shipping Java kernels to the GPU with code reflection: an engineering slice of HAT and Project Babylon.

Spring for Apache Kafka 4: Migration, Share Groups, and the New Consumer Protocol

Mon, 18 May 2026 00:00:00 +0000

Spring for Apache Kafka 4: migration from 3.x, KIP-932 Share Groups, KIP-848 consumer rebalance, OpenRewrite, Jackson 3, and KRaft testing.

The Java Platform and Post-Quantum Cryptography: From Threat Models to JDK Delivery

Mon, 18 May 2026 00:00:00 +0000

The Java platform and post-quantum cryptography: from threat models through standards naming, JCA APIs, protocol rollout, and operations—with JDK version gates aligned to JEPs.

The JDK Desktop Client in 2026: Maintenance, Modernization, and Delivery on a Thirty-Year Stack

Mon, 18 May 2026 00:00:00 +0000

The JDK Desktop Client in 2026: Maintenance, Modernization, and Delivery on a Thirty-Year Stack

AI Coding Agents on Spring Projects: Live Pipelines, Verifiable Loops, and Context Governance

Wed, 06 May 2026 00:00:00 +0000

For engineers already shipping services on the JVM and web stacks, this article starts from a typical Spring Boot + Kotlin real-time interactive application, traces the data path from database signals through reactive SSE to the browser, and breaks human–agent collaboration into three verifiable layers: compile-and-test closure, versioned project memory (CLAUDE.md, rules, Skills), and Hooks plus MCP on the tool-call path. The second half covers gaps in tests and state machines caused by spec-less iteration, how structured clarification (Interview) writes navigation and security decisions into the specification, and how cross-cutting steps can be silently dropped in long conversations—with ideas for segmented execution.

Gradually Adopting Spring Boot for Legacy Servlet Apps: Build, Auto-Configuration, and Dual WAR Modes

Wed, 06 May 2026 00:00:00 +0000

Before a large-scale Spring Boot migration, establish repeatable integration verification and a controlled dependency baseline; then advance in layers—Starter, auto-configuration troubleshooting, Spring context inside an external container, transitional Holder, beanification, Servlet annotation migration, and executable WAR. The article is organized by dependency and runtime layers, contrasts demo-style bootstrap paths with the reference manual’s recommended path, and where official docs do not spell out behavior (for example process lifecycle when only a non-web context starts), leaves engineering-level uncertainty explicit.

Spring Boot 4 Stack Overview: Starter Granularity, MVC Version Negotiation, and Security Evolution

Wed, 06 May 2026 00:00:00 +0000

With Spring Boot 4 and Spring Framework 7, dependencies split into finer starters by capability; outbound HTTP clients can be isolated from server-side MVC. The same codebase can enable built-in API version negotiation in Spring MVC alongside Spring Data JDBC and RestClient / declarative @HttpExchange clients. Spring Security 7 emphasizes composable Customizer<HttpSecurity>, one-time token login, WebAuthn, and annotation-driven multi-factor authentication.

Supercharging Spring Boot Tests with Kotlin Expressiveness: Assertions, Fixtures, and Reactive Boundaries

Wed, 06 May 2026 00:00:00 +0000

Spring Boot and Kotlin interoperate maturely on the JVM; teams often introduce Kotlin first in src/test, applying extension functions, default parameters, type-safe DSLs, and assertion styles such as Kotest in integration tests and MockMvc scenarios to cut boilerplate and tighten failure messages. Meanwhile, Java builders, overloaded static helpers, and Project Reactor’s StepVerifier each carry their own cognitive cost; the article organizes common motivations by dependency layer, alignable public APIs, and semantic boundaries to watch (e.g. JVM type erasure, whether reactive verification truly completes subscription).

WebAssembly as an embedding layer for the JVM ecosystem: models, runtimes, and engineering leverage

Wed, 06 May 2026 00:00:00 +0000

WebAssembly is not only compact bytecode in the spec—it is an execution model that pins guest modules to host boundaries. Running Wasm on the JVM forces trade-offs between attaching native runtimes versus pure bytecode hosting for distribution, observability, and fault isolation; Chicory, QuickJS4J, OPA Wasm, protobuf4j, Lumis4j, and related stacks illustrate one idea from many angles—wrapping existing C/Rust/JS assets in versioned artifacts exposed through Java APIs to Spring Gateway, build plugins, or CLIs.