Sanyou's Java Diary

Aug 28, 2025 · Backend Development

Unlocking JDK 17: Key Features, ZGC Benefits, and Upgrade Strategies

This article explores JDK 17's major language enhancements, new APIs, and performance‑focused improvements such as ZGC, then details Meituan's security‑team migration experience, performance benchmarks, practical upgrade steps, and JVM tuning tips for a smooth transition from JDK 8 to JDK 17.