When you write String::toUpperCase, Java binds each element of the stream (String object) to the toUpperCase() method. This means String::toUpperCase is interpreted as s -> s.toUpperCase(), where ...

How to configure a Maven project to use JUnit 5. How to write tests using the @Test and @ParameterizedTest annotations. How to validate test results using JUnit 5’s built-in assertion functionality.

The entry point of a standalone Java application is the main method or function. In the age of Servlets and JSPs, Java’s main function took a backseat to these technologies that were initialized with ...

The next step in the HtmlUnit screen scraper application creation process is to produce a Java class with a main method, and then create an instance of the HtmlUnit WebClient with the URL of the site ...