Virtual Threads (source: Microsoft). More about this feature is available in Oracle's Java Magazine article, " Coming to Java 19: Virtual threads and platform threads." Debugging in Java on VS Code is ...

For example, suppose one thread executes the byte code equivalent of an if-else statement’s if part, while another thread executes the byte code equivalent of the else part.

The October update of Microsoft's Visual Studio Code for Java comes with updates in the code editing and debugging experience, thanks to the Java 19 preview of Virtual Threads in Project Loom.