Static Nested Interfaces - Java tutorial

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Discover the flexibility of XPath when working with XML from Java programming. XPath makes selecting elements, attributes, and text in an XML document easy. Learn how to evaluate XPaths from Java programming, and work with the returned nodes.

A static nested class is a regular class defined inside of a package level class or inside of another static nested class. They are actually defined inside the body of the parent class, not only in the same file.

One of the most complicated aspects of generics in the Java language is wildcards, and in particular, the treatment and confusing error messages surrounding wildcard capture. Java developer Brian Goetz deciphers some of the weirder-looking error messages emitted by javac and offers some tricks and workarounds that can simplify using generics.

This article describes the GameApplet, GamePanel and Game classes that I wrote. You will only
need to extend Game, while the other classes handle input and output.

Dynamic images are commonly used in web applications. You will find dynamic images such as charts, captcha, web site thumbnails, image thumbnails, watermarks, etc. This tutorial will give you a brief walk through on creating a simple dynamic images in a Java Servlet.