Java is ubiquitous. Below are some of the better known websites.
Great code examples developed with the idea of being easily pasted into your applications.
O'Reilly on Java.com:
With the latest in objective news and copious code examples with detailed explanations,
O'Reilly is one of the best resources for Java on the web.
Oracle Technology Network for Java Developers:
Oracle owns Java and this site is the place to get the all official information and
downloads related to Java
As described on the website, "Java.net is a large community of Java developers and their projects."
Infoworld's Java website. A very good resource for staying current on the latest in Java technology.
A Java community website focusing on serverside development.
Trail: Learning the Java Language (The Java Tutorials™):
Oracle's fundamentals of programming in Java (Oracle, after buying Sun Microsystems, now owns Java).
Building systems that last...