There are many free Java eBooks, but most are outdated or not accurate. Here’s the best 5 free Java eBooks in my collection, they are well-known, complete, updated and detailed coverage of using Java programming language. Best for Java beginners and might also good reference for experienced programmers.

1. Java Programming For Dummies Ebook Free Download Sites
2. Java Programming Ebook Free Download

Java For Dummies Book Description: A new edition of the bestselling guide to Java. If you want to learn to speak the world’s most popular programming language like a native, Java For Dummies, 7th Edition is your ideal companion.With a focus on reusing existing code, it quickly and easily shows you how to create basic Java objects, work with Java classes and methods, understand the value of. Java All-in-One For Dummies Book Description: Your one-stop guide to programming with Java. If you’ve always wanted to program with Java but didn’t know where to start, this will be the java-stained reference you’ll turn to again and again. Every Java programmer loves free eBooks on Java, don't you? When I shared my collection of top 5 Java programming books, one of my readers asked me to share some free Java books as well.Doing a quick search on the internet reveals lots of free books, resource, and tutorials to learn Java.I have chosen some of the good Java books, which are FREE, available for download or you can read it online.

P.S The order is based on my personal priority.

1. The Java Language Specification, Third Edition

Download : http://java.sun.com/docs/books/jls/
Author : James Gosling, Bill Joy, Guy Steele, Gilad Bracha
Description : Written by the inventors of the Java Language Specification. This book provides complete and detailed coverage of the Java programming language.

2. Thinking in Java, 3rd Edition

Download : http://www.mindviewinc.com/Books/downloads.html
Author : Bruce Eckel
Description : Great and recommended Java book, chapters and tutorials are posted, public review, correction.

3. The Java Tutorial 4th Edition

Download : http://download.oracle.com/javase/tutorial/
Author : Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber
Description : Accurate and up-to-date Java tutorials, and you can download the entire Java tutorials in bundle.

4. Core Servlets and JavaServer Pages, Second Edition

Download : http://pdf.coreservlets.com/
Author : Marty Hall and Larry Brown
Description : Complete and detailed coverage of using Servlets and JavaServer Pages (JSP).

5. Introduction to Programming Using Java, Sixth Edition

Download : http://math.hws.edu/javanotes/
Author : David J. Eck
Description : Good book for beginning programmers, and might also be useful for experienced programmers.

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Java Programming For Dummies Ebook Free Download Sites

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The late 1980s saw several advances in software development, and by the early 1990s, many large programming projects were being written from prefab components. Java came along in 1995, so it was natural for the language’s founders to create a library of reusable code. The library included about 250 programs, including code for dealing with disk files, code for creating windows, and code for passing information over the Internet. Since 1995, this library has grown to include more than 2,700 programs. This library is called the API — the Application Programming Interface.

Every Java program, even the simplest one, calls on code in the Java API. This Java API is both useful and formidable. It’s useful because of all the things you can do with the API’s programs. It’s formidable because the API is so extensive. No one memorizes all the features made available by the Java API. Programmers remember the features that they use often, and look up the features that they need in a pinch.

So many ways to write computer programs

To write Java programs, you need three tools:

• A Java compiler

• A Java Virtual Machine.

• The Java API.

You have at least two ways to get these tools:

• You can download these tools from the Sun Microsystems Web site.

• You can use the tools that come with a commercial product.

If you own a copy of Borland JBuilder, Metrowerks CodeWarrior, IBM Visual Age for Java, or IBM WebSphere Studio Application Developer (WSAD), then you already have the tools that you need.

Two bags of goodies

Sun’s Web site bundles the basic Java tools in two different ways:

• The Java Runtime Environment (JRE): This bundle includes a Java Virtual Machine and the Application Programming Interface. With the JRE, you can run existing Java programs. That’s all. You can’t create new Java programs, because you don’t have a Java compiler.

Java Programming Ebook Free Download

• The Software Development Kit (SDK): This bundle includes all three tools — a Java compiler, a Java Virtual Machine, and the Application Programming Interface. With the SDK, you can create and run your own Java programs.

Note that an older name for the Java SDK is the JDK — the Java Development Kit. Some people still use the JDK acronym, even though the folks at Sun Microsystems don’t use it anymore.

How do you type this stuff?

A computer program is a big piece of text. So to write a computer program, you need a text editor — a tool for creating text documents. A text editor is a lot like Microsoft Word, or like any other word processing program. The big difference is that the documents that you create with a text editor have no formatting whatsoever. They have no bold, no italic, no distinctions among fonts. They have nothing except plain old letters, numbers, and other familiar keyboard characters. That’s good, because computer programs aren’t supposed to have any formatting.

A document with no formatting is called a plain text document.

Documents without formatting are fairly simple things, so a typical text editor is easier to use than a word processing program. (Text editors are a lot cheaper than word processing programs, and they’re lightning fast. Even better, text editors take very little space on your hard drive.)

You can use a word processor, like Microsoft Word, to create program files. But, by default, word processors insert formatting into your document. This formatting makes it impossible for a Java compiler to do its job. Using word processors to write Java programs isn’t recommended. But, if you must use a word processor, be sure to save your source files with the .java extension. (Call a file SomeName.java.) Remember, also, to use the Save As command to save with the plain text file type.

Using a customized editor

Even if you don’t use an integrated development environment, you can use other tools to make your programming life easy. Think, for a moment, about an ordinary text editor — an editor like Windows Notepad. With Notepad you can

• Create a document that has no formatting

• Find and replace characters, words, and other strings

• Copy, cut, and paste

• Print

• Not much else

Notepad is fine for writing computer programs. But if you plan to do a lot of programming, you may want to try a customized editor. These editors do more than Windows Notepad.

They have

• Syntax highlighting

• Shortcuts for compiling and running programs

• Explorer-like views of your works in progress

• Code completion

• Other cool stuff

When it comes to choosing a custom editor, two favorites are JCreator and TextPad. JCreator has lots of cool features, including tools to write some boilerplate Java code. TextPad has fewer Java-specific features, but TextPad is a great general-purpose text editor.