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 example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException { ...

Conclusion Scripts commonly need to create files for temporary use and Java now provides several easy approaches for ensuring automatic deletion of files meant to be temporary in nature and to be ...

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.