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Jakarta EE 11: Beyond the Era of Java EE
This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.
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[email protected]Preparing for Spring Framework 7 and Spring Boot 4
Table of Contents 1. Built-in Resilience Feature2. Fluent JMS Client API3. Robust Api Versioning4. Unified Message Conversion5. Faster and Smarter Testing6. Modern Ecosystem Integration7. Hibernate ORM and JPA Upgrades8. Overhauled HttpHeaders API9. Support for Jackson 3.x10. Null Safety using JSpecify1. ...
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Table of Contents What is Liquibase?What is MongoDB?Setting up a local MongoDB instance on WindowsUse Liquibase with MongoDBPrerequisitesInstall supporting driversConnection configurationConnection testHands-on execution steps detailed1. Create project and add files2. Project structure in VS Code3. Lifecycle of Liquibase4. Verify the …
The first and second newsletters introduced a 14-day cadence, and even though it is the holiday season for many of us, we are sticking to the promised period. The current newsletter vol.3, brings a collection of valuable articles focusing on …
Table of Contents GPT-5 is on top at every performance level and every price point… but it’s no speed demonPerformance by task lengthOther observationsImplications for buildersA Note on Reasoning Introducing the Brokk Power Ranking The Brokk Power Ranking is a …
Table of Contents The promise of OpenTelemetryGotchasPath or no path?Python loggingMicrometer TracingQuarkusSummary Last week, I described several approaches to OpenTelemetry on the JVM, their requirements, and their different results. This week, I want to highlight several gotchas found across stacks …
Table of Contents CommonalitiesRunning the OpenTelemetry AgentMicrometer Tracing on Spring BootOpenTelemetry Spring Boot StarterQuarkusDiscussion You may know I’m a big fan of OpenTelemetry. I recently finished developing a master class for the YOW! conference at the end of the year. …
Table of Contents Understanding the “Airport” domainModeling the core Airport domain in JavaIdentifying aggregates and entitiesImplementing entities and value objectsBounded contexts and modularizationRepositories, domain services, and factoriesRepositoriesDomain servicesFactoriesApplication layer and integrationTesting and evolving the modelComplete DDD implementation source codeTesting scenarios …
Table of Contents What Are Resource Policies?Why Use Them?Available CapabilitiesApplying Resource Policies with Terraform🔐 Example 1: Allow clusters only on AWS🌐 Example 2: Block public IPs (0.0.0.0/0)🔒 Example 3: Enforce TLS 1.2 or higherValidation and Testing🚫 Attempt to create a …
Table of Contents I remember the first time I saw a diagram of a neuron (Img.1.). I was a school kid, and among other hobbies, I was interested in the human brain, it fascinated me. I borrowed a book from …
Table of Contents 1. Built-in Resilience Feature2. Fluent JMS Client API3. Robust Api Versioning4. Unified Message Conversion5. Faster and Smarter Testing6. Modern Ecosystem Integration7. Hibernate ORM and JPA Upgrades8. Overhauled HttpHeaders API9. Support for Jackson 3.x10. Null Safety using JSpecify1. …
Table of Contents Jakarta EE 11 is a major update in the enterprise Java world. It offers key changes that enhance developer productivity and modernize the platform.Key Features of Jakarta EE 11Jakarta Data: Simplified Data AccessWhat is Jakarta Data?Jakarta Data Code ExamplesUpdated …
Table of Contents 0. GitHub Repository1. Add the required dependencies2. Configure the Semantic Cache Vector Store3. Implement the Semantic Caching Service4. Integrate with the RAG ServiceStep 1: Clone the repositoryStep 2: Configure your environmentStep 3: Start the servicesStep 4: Use …
Table of Contents Java’s pattern matchingCharacteristics of the new switch syntaxScala’s pattern matchingKotlin’s pattern matchingPython’s pattern matchingRust’s pattern matchingConclusion Pattern matching is a major feature in software development. While pattern matching applies in several locations, its current usage is limited …
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Mary Grygleski
Featured AuthorMary is a Java Champion, and the AI Practice Lead at Callibrity, a consulting firm based in Ohio. She started…
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Preparing for Spring Framework 7 and Spring Boot 4
Domain-Driven Design in Java: A Practical Guide
New Java Benchmark for Coding LLMs puts GPT-5 at the top
New Features in Jakarta EE 11, with Examples
Managing MongoDB Database Changes Using Liquibase Pro
Project Panama for Newbies (Part 1)
JC-AI Newsletter #3
🧱 Monolith or 🧩 Microservices in 2025?
Understanding MCP Through Raw STDIO Communication
OpenTelemetry Tracing on the JVM
foojay: A Place for Friends of OpenJDK
Dashboard for OpenJDK Update Release Details
JDK14: New Features and Enhancements
Fun with Flags: My Top 10 Resources for JVM Flags
Performance of Modern Java on Data-Heavy Workloads: Real-Time Streaming
Performance of Modern Java on Data-Heavy Workloads: Batch Processing
How does Java handle different Images and ColorSpaces – Part 1
How does Java handle different Images and ColorSpaces – Part 2
How does Java handle different Images and ColorSpaces – Part 3
How does Java handle different Images and ColorSpaces – Part 4
Indexing all of Wikipedia, on a laptop
Working with Multiple Carets in IntelliJ IDEA
Clean Shutdown of Spring Boot Applications
Java 17 on the Raspberry Pi
Project Panama for Newbies (Part 1)
How to Create Mobile Apps with JavaFX (Part 1)
Foojay Slack: bit.ly/join-foojay-slack
Beginning JavaFX Applications with IntelliJ IDE
SpringBoot 3.2 + CRaC
Debugging Java on the Command Line
Apache Kafka Performance on Azul Platform Prime vs Vanilla OpenJDK
Learn about a number of experiments that have been conducted with Apache Kafka performance on Azul Platform Prime, compared to vanilla OpenJDK. Roughly 40% improvements in performance, both throughput and latency, are achieved.
Stable, Secure, and Affordable Java
Azul Platform Core is the #1 Oracle Java alternative, offering OpenJDK support for more versions (including Java 6 & 7) and more configurations for the greatest business value and lowest TCO.
On Foojay, @miragemiko @OpenValue discusses the trajectory of machine learning and his own insights and experiences, check it out:
The latest JC-AI Newsletter, brought to you by @miragemiko @OpenValue, all your #Java Champion delivered news about AI, a selection of articles provided every second week on Foojay! https://foojay.io/today/jc-ai-newsletter-2
Check it out, @QodoAI and @MongoDB articles hot off the press, both on #Java and AI, "How to Make a RAG Application With @langchain4j and "Understanding #MCP Through Raw STDIO Communication" https://foojay.io/today/understanding-mcp-through-raw-stdio-communication with @daviddryparry and more!