If JMH says a method is inlined and benchmarks fast, the assumption is that the same method will be fast in production.
On a 64GB heap under JDK 21, ZGC's stop-the-world pauses stayed below one millisecond regardless of live-set size in our runs, while G1 typically held p99.
Understand micrometer otlp tags attributes, the main trade-offs, and the practical checks to use before relying on it in practice.
TRENDING
If you build a REST API that returns a list of resources without pagination, you are building a ticking time bomb.
So there I was, staring at a $42,000 licensing renewal invoice for Oracle JDK at 8 AM on a Tuesday. We had exactly three weeks to migrate 40 microservices.
I spent three days last month tracing a phantom data mutation in our billing system. The Spring Boot application logs showed Learn about Java Database.
So there I was, staring at my terminal at 1:30 AM. The screen just said > Configuring projects... and sat there. For four minutes.
I still remember the collective groan when the "Big Rename" happened. You know the one. Moving from javax.* to jakarta.* packages. It was a necessary.
We had this perfectly good Spring Boot service—running on JDK 21.0.4—that worked fine on my M2 MacBook. But the second we pushed it to our staging.
READ MORE
Actually, I should clarify — I used to hate waiting. Whether it's standing in line for coffee or watching a spinner on a dashboard, waiting felt like a.
Actually, I should clarify — I looked at my node_modules folder the other day, and it was heavier than the rest of my operating system.
Well, I have to confess - I spent last Tuesday staring at a flame graph that made absolutely no sense. We had a microservice responsible for querying.
Actually, I should clarify — I had a conversation last Tuesday that drove me up the wall. A junior developer looked at my screen, saw a .java file inside.
Java vs Kotlin: The 2026 Reality Check. Well, I've been writing Java since the days when we passed XML configuration files around like sacred scrolls.