Java 25 LTS: The New Features in JDK 25

Java 25 LTS is almost here!
Scheduled for release in September 2025, Java 25 is a Long-Term Support (LTS) version that brings 18 new JEPs — from faster startup and better profiling to improved GC and simplified syntax.

In this video, we go through every single JEP in JDK 25, explaining what it does, why it matters, and how it impacts real-world development. Whether you’re a Java veteran or just getting started, this breakdown will help you stay ahead of the curve.

Download Java 25 LTS: https://bell-sw.com/pages/downloads/#jdk-25-lts

00:00 – Intro: Unboxing Java 25
00:15 – JEP 514: Ahead-of-Time Command-Line Ergonomics
00:30 – JEP 515: Ahead-of-Time Method Profiling
00:45 – JEP 521: Generational Shenandoah
01:00 – JEP 509: JFR CPU-Time Profiling (Experimental)
01:20 – JEP 518: JFR Cooperative Sampling
01:40 – JEP 520: JFR Method Timing & Tracing
01:55 – JEP 519: Compact Object Headers
02:12 – JEP 502: Stable values (Preview)
02:42 – JEP 506: Scoped Values
03:02 – JEP 511: Module Import Declarations
03:17 – JEP 512: Compact Source Files and Instance Main Methods
03:45 – JEP 513: Flexible Constructor Bodies
04:05 – JEP 510: Key Derivation Function API
04:20 – JEP 470: PEM Encodings of Cryptographic Objects (Preview)
04:36 – JEP 507: Primitive Types in Patterns, instanceof, and switch (Third Preview)
04:52 – JEP 505: Structured Concurrency (Fifth Preview)
05:18 – JEP 508: Vector API (Tenth Incubator)
05:54 – JEP 503: Remove the 32-bit x86 Port
06:13 – Release & Outro: Try Java 25 Today!