Скачать или смотреть Virtual Threads in Java 21 | Hands-On Tutorial

🚀 Virtual Threads in Java 21 (Project Loom) explained with hands-on coding and live monitoring!

In this tutorial, we’ll explore how virtual threads work internally, how they compare with platform threads, why they’re always daemon, and how to monitor them in Java 24 using the new VirtualThreadSchedulerMXBean.

You’ll also learn how blocking I/O behaves with virtual threads, how the internal ForkJoinPool manages carrier threads, the difference between parallelism and pool size, and advanced concepts like mount/unmount, mounted vs queued VTs, and stack snapshots.

This is a complete deep dive into modern Java concurrency — perfect if you want to master Virtual Threads and Project Loom step by step.

Timestamp

00:00 - Virtual Threads - Coding Hands-on
00:49 – Platform Thread: start vs unstarted
03:11 – Starting a Virtual Thread
03:37 – Virtual Threads as Daemon
06:09 – How Virtual Threads Work Internally
08:33 – Blocking I/O with Virtual Threads
12:53 – Virtual Thread Monitoring (Java 24)
15:52 – VirtualThreadSchedulerMXBean
20:31 – ForkJoinPool & Worker Threads
29:37 – Mount & Unmount in Virtual Threads
35:48 – Parallelism vs Pool Size
48:19 – Mounted vs Queued
53:27 – Controlling Pool Size
57:48 – Stack Snapshot
59:47 – Non-Daemon Virtual Threads?


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