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

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

Java's I/O streams provide standardized ways to read and write data. Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream.

Interested in how to write a Java screen scraper application with HtmlUnit instead of JSoup? Here's a screen scraper example to help you get started with content aggregation.