Programming
JDK 27 New Features Explained: What Actually Changes
JDK 27 ships nine JEPs, but only a few actually change your code today. What's default now, what's still preview, and what to do about each one now.
Java
JVM internals, new release coverage, Spring architecture, and enterprise Java patterns. Written for developers who want to understand the platform, not just use it.
Self Hosting
The Complete 2026 Guide to Running Your Own Minecraft Server (And Not Having It Lag)
Complete 2026 guide: server software selection, Java 26 flags, G1GC tuning with Aikar's Flags, Paper config, pre-generation, Spark profiling, and every setting that actually moves the needle on TPS.
Systems Administration
Bukkit vs Spigot vs Paper: Minecraft Server Guide (2026)
Bukkit, Spigot, Paper, Purpur, Folia — we compare all major server platforms so you pick the right one first.
Systems Administration
How to Debug Minecraft Server Lag with Spark Profiler (2026 Guide)
Your server dropped to 12 TPS. You copied Aikar's flags. You upgraded Java. Nothing changed. That's because JVM flags don't fix plugin bugs. Here's how to find what's actually killing your tick budget.
Software Development
Should You Upgrade Your Minecraft Server from Java 21 to Java 26? Here's my Answer
Every six months, like clockwork, the same question resurfaces in every Minecraft server admin Discord and every r/admincraft thread: "New Java version dropped, should I upgrade?" And every six months, the same two camps form. One side says "just stick with LTS, don't touch
Programming
Java 26 Is Here, And It's Finally Finishing What It Started
JDK 26's ten targeted features explained — what's shipping, what it means for production Java, and why the language keeps reshaping the terrain while you're not watching.
Programming
What is Java? The Language That Runs Minecraft, Your Bank, and Half the Internet
Java has been declared dead approximately forty times since 1995. It still runs Minecraft, Android, LinkedIn, Twitter's backend, and the financial systems that process your paycheck. Here is what the language actually is, how the JVM works, and why it refuses to die.
Software Development
Java 22: The Big Update for Minecraft & Enterprise
The newest release of Java marks a strategic turning point for the Java Virtual Machine (JVM). While it is not a Long-Term Support (LTS) release like Java 21, it introduces architectural refinements that solve the last mile of latency problems for high-performance applications. For those of us managing
Programming
Parallelizing Java Streams with Virtual Threads: Building vtstream
You know what's funny about parallelStream() in Java? Everyone acts like it's this magic performance switch. Just slap .parallel() on your stream and suddenly your code is running on all your CPU cores, right? Wrong. Or at least, not in the way you'd want.
Programming
Async Timeouts with CompletableFuture: Fixing Blocking Java Code the Right Way
1,000 threads. All of them blocked on future.get(). That's the production nightmare that forced a full rewrite — and the journey through reactive callbacks, exception swallowing pitfalls, and finally a clean within() utility that handles timeouts without giving up the async model.
Software Development
Implementing Virtual Threads in Java Streams
In the realm of software development, efficiently handling large datasets is crucial, especially with the proliferation of multicore processors. The Java Stream interface revolutionized the way collections are managed by supporting both sequential and parallel operations. However, harnessing the full potential of modern processors while maintaining the simplicity of the
Programming
Implementing Your Own Garbage Collector in Java: Memory Allocation, Reference Tracking, and GC Algorithms
This guide walks through designing a fixed-size memory pool, implementing reference counting with cycle detection, coding Mark & Sweep, Mark & Compact, and Copying GC algorithms, and wiring root object identification and sweeping into a working CustomGarbageCollector class.