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Java Free Tutorials ( Provide free tutorials for java developers)

Free java tutorial How to install Java

Author: David Benson

Java is an innovative programming language that has become the language of choice for programs that need to run-on a variety of different computer systems.

This tutorial tell you how to install java

Free java tutorial General Principles to make code clarity

Author: Christopher Steele

The primary reason developers should write clean code is so that it can be read and understood easily. If the code is readable, the next person working on the code, including the original author at a later date will be more efficient.

Free java tutorial Resin Server Configuration

Author: Jimmy Xu

In this tutorial, our goal is to present the entire Resin configuration file, the possible settings, and how they affect the execution of the server and supported applications.

Free java tutorial A new course with JFreeChart(jfreechart tutorial)

Author: Jeff Woods

As a developer, I am often asked to demonstrate new applications. After doing many demos, I noticed that users are often initially more interested in what an application looks like than what it does. I have also noticed that one of the best ways to make a good first impression is with a colorful, three-dimensional chart.

Free java tutorial JasperReports tutorial

Author: Howell

JasperReports is a powerful open source reporting tool that has the ability to deliver rich content onto the screen, to the printer or into PDF, HTML, XLS, CSV and XML files. It is entirely written in Java and can be used in a variety of Java enabled applications to generate dynamic content.
Its main purpose is to help creating page oriented, ready to print documents in a simple and flexible manner.

Free java tutorial JSP Built-in Tags

Author: Joe White

A tutorial about jsp built-in tags

Java Free Source code(Provide free source code for java developers)

An Exception example Author: Stephen

The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.

Get content of a txt files

Author: Joe

A basic applet example

Author: Joe

HMAC-MD5 Example Author: Joe

The MD5 algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. It is intended for digital signature applications, where a large file must be "compressed" in a secure manner before being encrypted with a private (secret) key under a public-key cryptosystem such as RSA.

JR Free Web Chart Component( Provide free and open source web chart for you )

FreeWebBarChart4J v1.0

FreeWebLineChart4J v1.0

FreeWebPieChart4J v1.0

Features:

The FreeWebBarChart4J is a free Java component that encompasses a wide range of functionalities aimed at data visualization and analysis,

FreeWebBarChart4Jcan be easily integrated into Java web applications and applets. The following list gives you an overview of the benefits of using FreeWebBarChart4J

Powerful: Many configuration (new markup language for labels) and interactive features and charts.
Flexible: It can be used in many scenarios, as applet, servlet /JSP
Easy of use: charts can be created with cero Java programming.
Low requirements: requires JDK 1.1 or later
Free to use and develop
Supports 3D(like below figure)
The FreeWebBarChart4J supports GIF, JPEG, PNG and SVG encoding of chart images

Free Tutorials

<% int tr=0; ContentFactory cftty=new ContentFactory(); ArrayList als=cftty.getFirstPageTutorial20(); Iterator itor=als.iterator(); while(itor.hasNext()) {Content ct=(Content)itor.next(); if(tr%2==0) { %> <% } else { %> <% } tr++; %> <% Format formatter = new SimpleDateFormat("MM/dd/yyyy"); java.util.Date date=new java.util.Date(ct.getWhenmade()); String s = formatter.format(date); %> <% } %>

Category	Caption	Visits	Updated
<%= ct.getContent() %>	<%= ct.getCaption() %>	<%= ct.getCount() %>	<%= s %>

Free Ebooks

<% tr=0; ContentFactory cffty=new ContentFactory(); ArrayList lss=cffty.getFirstPageEbook20(); Iterator iitor=lss.iterator(); while(iitor.hasNext()) {Content ct=(Content)iitor.next(); if(tr%2==0) { %> <% } else { %> <% } tr++; %> <% Format formatter = new SimpleDateFormat("MM/dd/yyyy"); java.util.Date date=new java.util.Date(ct.getWhenmade()); String s = formatter.format(date); %> <% } %>

Category	Caption	Visits	Updated
<%= ct.getContent() %>	<%= ct.getCaption() %>	<%= ct.getCount() %>	<%= s %>

Free Source Code

<% ContentFactory cfty=new ContentFactory(); ArrayList ls=cfty.getFirstPageSource(); tr=0; itor=ls.iterator(); while(itor.hasNext()) {Content ct=(Content)itor.next(); if(tr%2==0) { %> <% } else { %> <% } tr++; %> <% Format formatter = new SimpleDateFormat("MM/dd/yyyy"); java.util.Date date=new java.util.Date(ct.getWhenmade()); String s = formatter.format(date); %> <% } %>

Category	Caption	Visits	Updated
<%= ct.getContent() %>	title="Free java tutorial source code ebook"><%= ct.getCaption() %>	<%= ct.getCount() %>	<%= s %>