Oracle JDeveloper is a free integrated development environment that simplifies the development of Java-based SOA applications and user interfaces with support for the full development life cycle.
http: / / www.oracle.com / technology / products / jdev / index.html
This tutorial covers the nuts and bolts of what exceptions are and how they work in the Java language and virtual machine. It discusses exception classes and objects, throwing and catching exceptions, the method invocation stack, the throws clause, checked vs. unchecked exceptions, and finally clauses.
http: / / www.artima.com / designtechniques / exceptions.html
The material shown here is covered in much more detail in the book, Concurrent Programming: The Java Programming Language, published by Oxford University Press in March 1998.
http: / / www.cs.drexel.edu / ~shartley / ConcProgJava / index.html
Huge collection of Free Java Online Books. Please read the legal notice before downloading books at bottom of the page
http: / / programmerworld.netfirms.com / techbooks / java.htm
As both names suggest (and you may have guessed), these are used for comparing objects in Java. Using these concepts; Java objects can be
sorted according to a predefined order.
http: / / lkamal.blogspot.com / 2008 / 07 / java-sorting-comparator-vs-comparable.html
The java.util.Comparable and java.util.Comparator interfaces together with the java.util.Collections allow the user to sort a List.
http: / / devpinoy.org / blogs / lamia / archive / 2007 / 04 / 16 / java-util-comparable-vs-java-util-comparator.aspx
Sams Teach Yourself Java in 24 Hours is a step-by-step tutorial that teaches someone with no previous programming experience how to create simple Java programs and applets.
http: / / www.informit.com / library / library.aspx?b=STY_Java2_24hours
A great Java book by Bruce Eckel. It covers topics like Introduction to Objects, Controlling Program Flow, Reusing Classes, Error Handling with Exceptions and Java Programming Guidelines.
http: / / mindview.net / Books / TIJ / DownloadSites