Basic example of how to implement a multi-threaded app in Android Studio with Java. Concept is to start a countdown that runs in its own thread and updates a TextView with the current count. The ...

* As soon as start ( ) is called, system recourse is allotted to the thread as per schedule done by the Java Runtime Environment. Now thread has entered into the runnable state.

There are other ways of using Thread to spawn virtual threads, like Thread.ofVirtual().start(runnable). See the Java threads documentation for more information.

Project Loom massively increases resource efficiency while preserving backward compatibility with Java threads. Here's a look at Loom and the roadmap ahead.