This tutorial is an introduction to socket programming in Java, starting with a simple client-server example demonstrating the basic features of Java I/O.

In this Struts Hello World example a web page will submit an HTML form to a server-side target named hello.action. This action will be implemented by a Struts action class named HelloWorldAction.

Java 18's Simple Web Server lets you use a command-line tool or API to host files and more. Here's how it works.

With the Java Servlet coded, the application can be deployed to any Java application server that supports the Servlet 3.1 specification or newer. In this Java file upload example, the target server is ...