Java Resources

How to Build an AI Agent to Generate Selenium WebDriver Tests in Java: A Practical Guide for Test Automation Engineers

A step-by-step guide using OpenAI and Ollama to build an AI agent that generates Selenium Java tests from plain-English scenarios.

September 23, 2026

by Faisal Khatri

CORE

· 2,113 Views · 2 Likes

Valkey: Bringing Key-Value Databases to Enterprise Java

Valkey provides high-performance key-value storage for Enterprise Java, with portable APIs and flexible persistence through Eclipse JNoSQL.

September 22, 2026

by Otavio Santana

CORE

· 2,090 Views · 2 Likes

dbt Meets Apache Flink: One Workflow for Data Engineers

dbt meets Apache Flink: one SQL workflow for data engineers across Snowflake, BigQuery, Databricks, and real-time streaming pipelines on Confluent Cloud.

September 15, 2026

by Kai Wähner

CORE

· 2,022 Views · 1 Like

How to Perform Response Verification in REST-Assured Java for API Testing: Part 2

Master REST-Assured response verification in Java with Hamcrest Matchers, JSON assertions, API validations, and real-world examples.

September 11, 2026

by Faisal Khatri

CORE

· 3,072 Views · 4 Likes

Stream Processing on the Mainframe With Apache Flink: Genius or a Glitch in the Matrix?

Apache Flink on the IBM mainframe connects real-time processing with core systems, enabling hybrid cloud and AI without full migration.

September 10, 2026

by Kai Wähner

CORE

· 2,899 Views · 1 Like

How to Correctly Implement ‘Sneaky Throws’ in Java

A straightforward, lightweight, and useful approach to dealing with methods that throw checked exceptions with code snippets.

September 10, 2026

by Horatiu Dan

CORE

· 3,086 Views · 6 Likes

Dynamic Arrays, Spill, and LET: What Changed in Excel and Why It Matters for Java Applications

Modern Excel formulas change how spreadsheets work. See what Java developers need to know when choosing a spreadsheet library.

September 9, 2026

by Hawk Chen

CORE

· 3,761 Views · 3 Likes

Why I Don't Want an LLM Generating Java Business Logic

Why do you need a DSL when an LLM generates business logic more than ever? To limit what generated code can do with allow-lists, not deny-lists.

September 4, 2026

by Peter Verhas

CORE

· 3,370 Views · 2 Likes

The Startup Time Trick Hiding Inside Your Docker Build

Spring Boot pods reload the same classes on every start. A CDS training run inside your Dockerfile caches that work once and cuts startup time roughly in half.

September 3, 2026

by Garima Agarwal

· 3,698 Views · 4 Likes

The Bottleneck of Scaling

Learn how modern languages help developers take care of behind-the-scenes file descriptor management, kernel memory management, and heap management.

September 3, 2026

by Vishal Bhatia

· 3,017 Views · 2 Likes

Pragmatic Premature Optimization

Learn simple Java performance tips for strings, collections, enums, and initialization that make code faster without sacrificing readability.

August 28, 2026

by Alexander Radzin

· 3,608 Views · 4 Likes

Running Sentiment Analysis Inside Neo4j With a Java Plugin

A Java UDF that runs sentiment analysis directly inside the Neo4j database engine — no external APIs, no application-layer round-trips, callable from any Cypher query.

August 27, 2026

by Akmal Chaudhri

CORE

· 3,407 Views · 3 Likes

Part 1: Building Governed MCP Tool Services With Quarkus LangChain4j and Goose

Build governed, cloud-native Java MCP tool services for Goose agents using Quarkus LangChain4j, Java 25, and Jakarta Bean Validation.

August 26, 2026

by Daniel Oh

CORE

· 4,020 Views · 4 Likes

Working With Spreadsheets in Java: A Practical Overview

Working with Excel in Java isn’t just about reading and writing cells. Here’s how to choose the right tool for your use case.

August 26, 2026

by Hawk Chen

CORE

· 3,621 Views · 3 Likes

A Practical Guide to Using Java Virtual Threads With JMS Listeners

Build scalable Spring JMS listeners with Java virtual threads, focusing on concurrency, transactions, idempotency, and safe blocking workloads.

August 21, 2026

by Krishna Kandi

· 2,553 Views · 4 Likes

Java Enterprise Is Already Ready for the AI Era

Java Enterprise is ready for AI today. Jakarta EE integrates with AI providers and frameworks, while Jakarta Agentic AI and Jakarta EE 12 strengthen it.

August 18, 2026

by Otavio Santana

CORE

· 3,455 Views · 7 Likes

How We Cut PyFlink Pipeline p99 Latency from 3-5 Seconds to ~500ms

We eliminated per-record Python-side Protobuf parsing and JVM-to-Python crossings by letting Flink's native Protobuf format decode records directly into typed columns.

August 7, 2026

by Arjun Shah

· 3,464 Views · 2 Likes

Orchestration Meets MCP: Building Governed Agentic Workflows With Quarkus Flow and AGENTS.md

By combining Quarkus Flow, LangChain4j, MCP tools, and AGENTS.md, developers can construct deterministic, tool-augmented, and enterprise-governed AI agent loops.

August 7, 2026

by Daniel Oh

CORE

· 3,043 Views · 1 Like

HTTP QUERY Method Explained: RFC 10008, Ecosystem Adoption, and a Quarkus Implementation

RFC 10008's new QUERY method is safe and cacheable like GET but carries content like POST. This article explains the spec and runs it on Quarkus today.

August 6, 2026

by Hüseyin Akdoğan

CORE

· 2,593 Views · 2 Likes

I Built a Java Version Manager by Fixing Other Tools' Open Bugs

There is no point in shipping another Java Version Manager unless it is best in class, so I mined the test suites and bug trackers of SDKMAN, jenv, mise, volta, and asdf.

August 4, 2026

by David Lerner

· 3,350 Views · 2 Likes

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