source : http://java.sun.com/docs/books/tutorial/

The Java Tutorials are practical guides for programmers who want to use the Java programming language to create applications. They include hundreds of complete, working examples, and dozens of lessons. Groups of related lessons are organized into "trails".

For the most accurate and up-to-date tutorials, please access the latest version from Sun's official website for the Java SE Tutorials (Last Updated 9/23/2009), which can be found at: http://java.sun.com/docs/books/tutorial.

The Java Tutorials primarily describe features in Java SE 6. For best results, download JDK 6.

Please check out the new Java Tutorials Community Portal, the place to discuss the tutorials, and to share your modifications and additions to the tutorials.
What's New

Enjoy quizzes? Take a minute to answer this quiz about Java applets.
The Java Tutorials are continuously updated to keep up with changes to the Java Platform and to incorporate feedback from our readers. Some recent updates include:
A Deployment tutorial that covers a wide range of topics about the development and deployment of rich Internet applications. The Deployment tutorial contains the following lessons:
Applets
Java Web Start
Doing More With Rich Internet Applications
Deployment In-Depth
A new section in the Swing look and feel lesson showing how to use the new Nimbus look and feel.
A new Swing page describing How to Create Translucent and Shaped Windows.
A new Interfaces and Inheritance page discussing Polymorphism.
Trails Covering the Basics
These trails are available in book form as The Java Tutorial, Fourth Edition. To buy this book, refer to the box to the right.
Getting Started — An introduction to Java technology and lessons on installing Java development software and using it to create a simple program.
Learning the Java Language — Lessons describing the essential concepts and features of the Java Programming Language.
Essential Java Classes — Lessons on exceptions, basic input/output, concurrency, regular expressions, and the platform environment.
Collections — Lessons on using and extending the Java Collections Framework.
Swing — An introduction to the Swing GUI toolkit, with an overview of features and a visual catalog of components. See below for a more comprehensive tutorial on Swing.
Deployment — How to package applications and applets using JAR files, and deploy them using Java Web Start and Java Plug-in.
Preparation for Java Programming Language Certification — List of available training and tutorial resources.
Creating Graphical User Interfaces
This trail is available in book form as The JFC Swing Tutorial. To buy this book, refer to the box to the right.

The Swing examples are bundled to be open and run in NetBeans IDE. (Of course you can import the source files into any IDE that you wish.) For more information, see Running Tutorial Examples in NetBeans IDE. Each Swing lesson has a separate Examples Index — for a sample, check out the Using Swing Components Examples Index.
Creating a GUI with Swing — A comprehensive introduction to GUI creation on the Java platform.
Specialized Trails and Lessons
These trails and lessons are only available as web pages.


Custom Networking — An introduction to the Java platform's powerful networking features.
The Extension Mechanism — How to make custom APIs available to all applications running on the Java platform.
Full-Screen Exclusive Mode API — How to write applications that more fully utilize the user's graphics hardware.
Generics — An enhancement to the type system that supports operations on objects of various types while providing compile-time type safety. Note that this lesson is for advanced users. The Java Language trail contains a Generics lesson that is suitable for beginners.
Internationalization — An introduction to designing software so that it can be easily be adapted (localized) to various languages and regions.
JavaBeans — The Java platform's component technology.
JDBC Database Access — Introduces an API for connectivity between the Java applications and a wide range of databases and a data sources.
JMX— Java Management Extensions provides a standard way of managing resources such as applications, devices, and services.
JNDI— Java Naming and Directory Interface enables accessing the Naming and Directory Service such as DNS and LDAP.
RMI — The Remote Method Invocation API allows an object to invoke methods of an object running on another Java Virtual Machine.
Reflection — An API that represents ("reflects") the classes, interfaces, and objects in the current Java Virtual Machine.
Security — Java platform features that help protect applications from malicious software.
Sound — An API for playing sound data from applications.
2D Graphics — How to display and print 2D graphics in applications.
Sockets Direct Protocol — How to enable the Sockets Direct Protocol to take advantage of InfiniBand.

Free Java tutorials & programming source code

Learn the fundamentals of Java programming language through a variety of online tutorials. These tutorials teach the essential concepts behind building applications using various programming concepts and modules. This site can be used as a practical, example based guide for beginning programmers or those without much Object Oriented programming experience.




Free Java Guide: This site lists General Java tutorials and specific Java programming topics for serious programming. In the case of sql tutorial, for each command, the SQL syntax will first be presented and explained, followed by an example. This site aims to teach beginners the building blocks of SQL. Well organized, easy to understand SQL guide with lots of examples that helps you need to get started using SQL. If you are also looking for a PL/SQL tutorial, this is the site. Our PL/SQL tutorial provides the help you need to get started using SQL and PL/SQL.

Master Java, find popular listings for various Java technologies ranging from Core Java, PL/SQL, HTML, XML and SQL



CORE JAVA TUTORIALS

Learn the Core Java basics. This topic is for those learning Java programming or having general Java programming questions. It is a fundamental guide, aimed at beginners to java programming.



PL/SQL

If you are looking to learn PL/SQL, this is the site. It provides the help you need to get started using SQL and PL/SQL. It gives an introduction to Procedural Structured Query Language (pl/sql). PL/SQL help, examples and references needed to start programming in plsql.

SQL

This covers the basics of SQL Language. This lists the commonly used SQL commands, and is divided into the various sections organized by sql topics. By the end of this sql guide, you should have a good general understanding of the SQL syntax. In addition, you should be able to write SQL queries using the correct syntax.

ORACLE Question Bank

It contains more than 500 Questions (in 10 pages) of oracle and SQL + PL/SQL which can be used for facing interviews and for personal evaluation of oracle knowledge organized by topic. This question bank helps by asking you questions and explaining which answer is correct and why.

HTML Tutorial for beginners HTML Tutorial - advanced

This is a terrific resource for beginners and students. It includes many copy & paste HTML scripts with detailed explanations that you can put right into an existing web page. It's also a good reference to find that tag that you just can't remember but need for your web page.

The following material is a part of 'IBM's resource for developers' website.




1. SCJP, Part 1

This SCJP guide is to help you become a Sun certified Java programmer. It is organized in the same way as the Sun Certified Java Programmer (SCJP) 1.4 exam and provides a detailed overview of all of the exam's main objectives. Throughout the java pdf, simple examples are provided to illustrate the important concepts covered in the exam.

2. Introduction to Core java I/O

This java I/O pdf is an overview of Java I/O and all the classes in the java.io package. This guide assumes you have a basic knowledge of I/O, including Input Stream and Output Stream.

3. Enterprise Beans Fundamentals

This ejb pdf provides an introduction to Enterprise JavaBeans technology with particular attention to the role of Enterprise JavaBean components in distributed computing scenarios, the architecture, the extension APIs, and the fundamentals of working with EJB technologies

4. The Class Loader

The Java ClassLoader is a crucial, but often overlooked, component of the Java runtime system. It is the class responsible for finding and loading class files at run time. Creating your own ClassLoader lets you customize the JVM in useful and interesting ways, allowing you to completely redefine how class files are brought into the system.

5. Design Patterns 101

This lesson is for Java programmers who want to learn about java design patterns as a means of improving their object oriented design and development skills. After reading this pdf you will:
* Understand what design patterns are and how they are described and categorized in several well known catalogs
* Be able to use design patterns as a vocabulary for understanding and discussing object oriented software design
* Understand a few of the most common design patterns and know when and how they should be used

4. Introduction to Threads

This tutorial explores the basics of threads -- what they are, why they are useful, and how to get started writing simple programs that use them. It also explains the basic building blocks of more sophisticated threading applications, how to exchange data between threads, how to control threads, and how threads can communicate with each other.

XML Tutorials

Introduction: Learn what XML is all about and discover how it differs from HTML. Explore XML syntax rules, learn how to write well formed XML documents, adjust XML attributes, validate XML documents and XML programming with java. In these tutorials you will learn what XML is about. You'll understand the basic XML syntax. Know what's needed to make XML usable along with java programming. You'll be able to understand XML Documents and most of XML DTD's.

6. XML programming in Java technology, Part 1

This xml tutorial covers the basics of manipulating XML documents using Java technology and looks at the common APIs for XML and discusses how to parse, create, manipulate, and transform XML documents. Covers basics of XML parsing in the Java language.

7. XML programming in Java technology, Part 2

This looks at working with namespaces, validating XML documents, building XML structures without a typical XML document, converting between one API and another, and manipulating tree structures.

8. XML programming in Java technology, Part 3

Covers more sophisticated topics for manipulating XML documents with Java technology. It shows you how to do tasks such as generate XML data structures, manipulate those structures, and interface XML parsers with non XML data sources.

9. Understanding DOM

This is designed for developers who understand the basic concept of XML and are ready to move on to coding applications to manipulate XML using the Document Object Model (DOM). It assumes that you are familiar with concepts such as well formed ness and the tag like nature of an XML document.

Menu Message

TWO STEPS TO INSTALL MENU MESSAGE:
1. Add the specified code into the BODY of your HTML document
2. Put the last code into the HEAD of your HTML document

STEP ONE: Put this code into the BODY of your HTML document

script language="JavaScript"
Original: Stephanie M. Clarkson (thespian@sleepingcat.com)
Web Site: http://www.sleepingcat.com
Total Java Scripts 99 - Next Step Software

Begin
var messages = new Array(6);
messages[0] = "";
messages[1] = "Have you ever seen anything like this before?";
messages[2] = "Can you imagine how you could use it on your site?";
messages[3] = "It's great for sharing lots of information.";
messages[4] = "And doesn't take up much space! ";
messages[5] = "So, get the code and put it on your site!";
function messageReveal() {
var messageindex = document.messageForm.messagePick.selectedIndex document.messageForm.messageField.value = messages[messageindex]; }

STEP TWO: Put this code into the BODY of your HTML document




The Menu Message
Seen this before? Possible uses? Shares Information Saves space Get the code!