Method references: A primer. My previous Java 101 tutorial introduced lambda expressions, which are used to define anonymous methods that can then be treated as instances of a functional interface.

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories. Topics Spotlight: AI-ready data centers ...

Java 8 introduced a new list() method in java.nio.file.Files. The list method returns a lazily populated Stream of entries in the directory. As such, it is more efficient for processing large folders.