Windows networking - Java tutorial

Category: Java tutorials > Network - Difficulty:

Many of today's Java apps use threads to support concurrent programming; lock contention problems can be a result of how an application controls these threads. The Lock Analyzer for Java performs lock analysis on a live application in order to highlight threads with lock contention that could affect performance.

Write efficient XML processing applications more easily using the XML Enhancements for Java (XJ) framework. XJ includes a set of extensions to Java 1.4 that integrate support for XML, XML Schema, and XPath 1.0 into the language. Also, discover the advantages of XJ over existing mechanisms for the XML development.

XML is a data format concerned primarily with compatibility and flexibility. This tutorial will teach you the fundamentals of XPath. Part 1 of this tutorial details the XPath specification, which allows you to specify particular sections of an XML document using a directory-like syntax. You'll learn the syntax of XPath, and you'll work with tools that let you experiment with XPath.

Ever wondered how many users are viewing your website at this moment? well this article seems to answer that. This article will show you how to build a JSP page and a session listener class which will allow you to determine how many users are viewing your site in real time. Online demo available.

This free book is an excellent tutorial book for beginners. It is a collection of notes and sample codes written by the author while he was learning Java AWT and Swing. Topics include AWT, button, Chinese, component, event, frame, graphics, GUI, internal frame, Java, JDK, JFC, language, label, listener, look and feel, MVC, radio button, resolution, screen, Swing, text field, thread, toolkit, tutorial, Unicode.