Intermediate

Java in Production 2026

Modern Java for backend services: virtual threads, GraalVM native images, streams pipelines, async composition, and an honest comparison against Go on a real workload.

6 Lessons

Articles in this series

1
17 min read•Hard

Java Virtual Threads: Project Loom, Pinning Hazards, and Production Migration

Java 21 virtual threads: M:N scheduling, pinning hazards, ThreadLocal pitfalls, JFR detection, and what migration really takes.

2
14 min read•Hard

GraalVM Native Images in Production: From 5-Second Startup to 50ms

From 5-second Spring Boot cold starts to 50ms with GraalVM native images. The real gotchas, wins, and whether it's worth it.

3
8 min read•Medium

Java Streams: Pipeline Internals, Performance Traps, and Production Patterns

Java streams: pipeline internals, where streams beat loops, parallel stream traps, and when to use collectors vs teeing.

4
5 min read•Medium

Java CompletableFuture: Chaining Async Operations with thenCompose

thenCompose vs thenApply, running calls in parallel with allOf, timeouts, executor selection, and production error handling.

5
9 min read•Beginner

Modern Java Features: A Practical Guide from Java 8 to 21

The features that changed Java: lambdas, streams, records, sealed classes, pattern matching, and virtual threads. Java 8 to 21.

6
10 min read•Medium

Go vs Java in 2026: An Honest Performance Comparison for Backend Services

An honest Java (Spring Boot) vs. Go (Gin) performance comparison under load tests in 2026. Comparing throughput, memory footprint, cold starts, and AWS costs.

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