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• 08:14, 17 November 2025 PC talk contribs created page Rust Is Cool. But Java Just Did Something Smarter in 2025 (Created page with "In July 2025, I watched a viral X thread: “Rust is eating Java’s lunch — memory safety, speed, no GC.” I felt the FOMO. My team was knee-deep in a high-frequency trading system — 2 million TPS, sub-millisecond latency. Rust looked tempting. Then Java 25 dropped Project Leyden. One config change later, our JVM startup went from 8.2 seconds to 180 milliseconds. No rewrite. No retraining. Just smarter Java. By November 2025, that single upgrade saved us $42,00...")