How to Use Java 19 Virtual Threads

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The last article introduced the exciting new features of Java 19, of which the most anticipated should be virtual threads. This article will introduce you to virtual threads to try Java 19 virtual threads.

7 New Features of Java 19

Java threads and virtual threads

There is a one-to-one correspondence between our commonly used Java threads and system kernel threads, and the thread scheduler of the system kernel is responsible for scheduling Java threads.

To increase the performance of the application, we will add more and more Java threads. When the system schedules Java threads, it will occupy a lot of resources to handle thread context switching.

For decades, we have relied on the multithreading model described above to solve concurrent programming problems in Java. To increase the throughput of the system, we have to continuously increase the number of threads, but the threads of…