Such multitasking to improve performance in Android apps is a basic part of both the mobile operating system, and the Java language in which developers write the apps.

Java has a powerful new concurrency model, and it works with both traditional and virtual threads. Here's a first look at structured concurrency.

Writing multithreaded applications in Java can trip up beginner and intermediate programmers alike. Before you tie yourself in a knot, learn how to sidestep these common threading mistakes.