If you want to master functional programming ... your code — starting with how to use an actual class, and how to create very concise code with a lambda function. The Java Function interface is quite ...

There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, but ...

Java 18's Simple Web Server lets you use a command-line ... import static com.sun.net.httpserver.SimpleFileServer.OutputLevel; public class Mem { private static final InetSocketAddress ADDR ...