See also:
CGI with Java Using Java for CGI programs. Includes on-line examples and source code for a CGI form-parser and cookie parser in Java. http://www.apl.jhu.edu/~hall/java/CGI-with-Java.html
Core Java Technologies Tech Tips Tips, techniques, and sample code on various topics of interest to developers using Java 2 Platform, Standard Edition (J2SE). http://java.sun.com/developer/TechTips/
Hello World program A short example demonstrating an implementation of the proverbial "Hello World" app. http://www2.latech.edu/~acm/helloworld/java.html
Java Reference and Examples Examples include casting, ArrayLists, ListIterators, and 'HelloWorlds' for applications, applets, servlets, and JSPs. http://www.fluffycat.com/java/
Java Tips A site which has lots of free content related to Java: programs, code, and tutorials. http://www.java-tips.org
Javadb.com Searchable site with Java code examples, links to articles, tutorials and APIs. http://www.javadb.com
JavaWorld - Tips Contains past examples and tips from online magazine. http://www.javaworld.com/columns/jw-tips-index.html
Learn Java by Examples Kode Java provides Java code samples, articles and tutorials that will help you to learn Java programming language. http://www.kodejava.org