Image: Andrii/Adobe Stock. Glassfish is a free, open-source Java application server that simplifies the process of deploying your enterprise-grade Java apps to a scalable platform.

The server will start listening on a specified port (e.g., 12345—check the code for the exact port). 2. Start the Client. Open SimpleChatClient.java in NetBeans. Run the file in a separate instance or ...

the chat server uses multithreading to handle multiple client connections concurrently. each clienthandler instance runs in its own thread, allowing the server to handle multiple messages ...

Apache Tomcat is a long-lived, open source Java servlet container that implements core Java enterprise (now Jakarta EE) specifications, including the Jakarta Servlet, Jakarta Server Pages, and ...

One of the original Java web technologies, JSP is still widely used with servlets and JSTL. Here's how to use Jakarta Server Pages to build dynamic web pages that connect to the Java back end.

Chances are good that the average reader thinks a Java application server basically provides an implementation of the servlet specification, probably an implementation of JavaServer Pages, and perhaps ...