Java Resources

How to Configure JDK 25 for GitHub Copilot Coding Agent

Set JDK 25 for the GitHub Copilot coding agent so it can build and test Java 25 projects while working on your tasks.

February 25, 2026

by Bruno Borges

· 2,177 Views · 2 Likes

Data Driven API Testing in Java with Rest-Assured and TestNG: Part 1

Learn how to perform data-driven API automation testing with Rest-Assured using object arrays and TestNG's @DataProvider annotation.

February 23, 2026

by Faisal Khatri

CORE

· 1,914 Views · 2 Likes

Building a Sentiment Analysis Pipeline With Apache Camel and Deep Java Library (DJL)

This tutorial shows how to build a sentiment analysis pipeline entirely in Java using Apache Camel and Deep Java Library (DJL).

February 23, 2026

by Vignesh Durai

· 2,787 Views · 2 Likes

Testing Legacy JSP Code

In this article, learn how to test JSP with the least effort while getting the most out of the automated tests, and keep focus on what matters.

February 18, 2026

by Zoltán Csorba

· 1,763 Views

Why “At-Least-Once” Is a Lie: Lessons from Java Event Systems at Global Scale

At-least-once delivery keeps data flowing, but retries can duplicate effects, corrupting timelines. Reliability comes from replay-safe consumers and controlled effects.

February 18, 2026

by Krishna Kandi

· 3,170 Views · 2 Likes

Beyond Ingestion: Teaching Your NiFi Flows to Think

Stop just moving data with NiFi — make it smarter. Here's how to embed an AI model right into your flow using a Java Custom Processor.

February 17, 2026

by Madhusudhan Dasari

· 1,619 Views · 1 Like

Responding to HTTP Session Expiration on the Frontend via WebSockets

Presents a slightly different use of WebSockets — an action is taken at the front-end level when the HTTP session expires, and the back-end signals it.

February 17, 2026

by Horatiu Dan

CORE

· 1,710 Views · 4 Likes

My Learning About Password Hashing After Moving Beyond Bcrypt

I started with bcrypt because it was easy and widely recommended, but I moved to Argon2 once I understood how modern attacks work.

February 16, 2026

by Dhiraj Ray

· 2,126 Views

Java Developers: Build Something Awesome with Copilot CLI and Win Big Prizes!

Join the GitHub Copilot CLI Challenge and build something with Copilot right in your terminal for cash prizes and tickets to GitHub Universe.

February 12, 2026

by Bruno Borges

· 2,467 Views

Bootstrapping a Java File System

Apps self-managing files often implement custom APIs that bring different problems. Java's File System provides a way to self-manage files within standard Java APIs.

February 12, 2026

by Scott Sosna

CORE

· 2,387 Views · 1 Like

Jakarta EE 12 M2: Entering the Data Age of Enterprise Java

Jakarta EE 12 aligns repositories, restrictions, queries, ORM, and NoSQL into a unified data model, making domain-centric data access a first-class platform feature.

February 11, 2026

by Otavio Santana

CORE

· 1,327 Views · 3 Likes

Next-Level Persistence in Jakarta EE: How We Got Here and Why It Matters

From JPA to Jakarta Data and NoSQL, Jakarta EE embraces store-agnostic repositories and polyglot persistence in the enterprise Java model.

February 9, 2026

by Otavio Santana

CORE

· 1,193 Views · 2 Likes

Best Java GUI Frameworks for Modern Applications

This article reviews the top 8 Java GUI frameworks — Swing, SWT, JGoodies, JavaFX, JIDE, Apache Pivot, Hibernate, and Spring.

February 6, 2026

by Rodolfo Ortega

· 3,395 Views

Rate Limiting Beyond “N Requests/sec”: Adaptive Throttling for Spiky Workloads (Spring Cloud Gateway)

Build smarter Spring Cloud Gateway throttling — fair per-client limits, a global cap, and adaptive tuning — to survive spikes without meltdowns.

February 4, 2026

by Varun Pandey

· 1,215 Views · 1 Like

How Global Payment Processors like Stripe and PayPal Use Apache Kafka and Flink to Scale

How top payment processor companies like Stripe, PayPal, Payoneer, and Worldline use data streaming for real-time payments and fraud detection.

February 3, 2026

by Kai Wähner

CORE

· 1,475 Views · 3 Likes

The Future of Data Streaming with Apache Flink for Agentic AI

Flink and Kafka enable real-time agentic AI by streaming fresh data and model context via the MCP standard for intelligent actions at scale.

January 21, 2026

by Kai Wähner

CORE

· 1,934 Views

Why High-Availability Java Systems Fail Quietly Before They Fail Loudly

High-availability Java systems usually fail gradually. Early warning signs appear across correlated JVM metrics long before outages, but static alerts miss them.

January 21, 2026

by Krishna Kandi

· 2,377 Views · 2 Likes

How to Secure a Spring AI MCP Server with an API Key via Spring Security

Discover how to protect your Spring AI MCP server with an API key, including clear instructions, sample code, and recommended security practices.

January 14, 2026

by Horatiu Dan

CORE

· 3,718 Views · 7 Likes

Kotlin Code Style: Best Practices for Former Java Developers

Many Kotlin projects mirror Java thinking—code that works but lacks Kotlin’s true strengths of conciseness, expressiveness, and safety, creating “Java with a Kotlin accent.”

January 12, 2026

by Konstantin Glumov

· 2,960 Views · 3 Likes

Building a Containerized Quarkus API and a CI/CD Pipeline on AWS EKS/Fargate with CDK

This project demonstrates a production-ready approach to deploying a containerized Quarkus API on AWS EKS/Fargate, leveraging Infrastructure as Code through the AWS CDK.

January 8, 2026

by Nicolas Duminil

CORE

· 2,281 Views · 1 Like

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