Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

A preview feature in JDK 22 combines the strengths of virtual threads and parallel streams to improve optimization and performance. Here's how it works.

The String.split methods can be very convenient for easily splitting a provided String based on a provided regular expression String . The only trick is figuring out a regular expression token to ...