Top Rated Scripts | Java

Before to start to examine this sample code, you need a SMTP server. If you know your mail server name you could easily use this sample code in a real website. We will use JavaMAIL API. You must put j2ee.jar under WEB-INF/lib folder in your web work folder. Our testing system is Red Hat Linux with Tomcat 5.

This applet displays the population of the planet in real-time using the 'Odometer' class developed by the author. Source code available.

SqlFun is a Java program/applet that allows you to experiment with SQL statements (hopefully) without having to install a SQL server or database program. All you need is Java and Windows ODBC (or any other database server that supports JDBC). Starting from version 2.3, newly added undo/redo of SQL statement editing, and simple SQL statement syntax highlight.

This Java clock shows the date and time in all 24 time zones simultaneously. You may select AM/PM display and/or Daylight Savings time if you wish. You may also select a time zone other than your own. Because this is a "client-side" application, its time accuracy depends on your computer.

HSQL is a relational database engine written in Java, with a JDBC driver, supporting a subset of ANSI-92 sql. It offers a small (about 100k), fast database engine which offers both in memory and disk based tables. Embedded and server modes are available.

This Java applet implements a raster image mapper with several features, e.g. draggable map, case-insensitive substring search, pull-down menu, hot spot flasher, dynamic coordinate and hot spot pointer, auto-resized images, color options, fully customizable hot spot info file, external links, etc. You can supply your own map, related images, and hot spot info files to configure this program. This is a convenient tool for realtors, virtual tours, security systems, etc.

This non-commercial Java server provides Java sample programs with sources. It also contains the EFCombatNet flightsim lobby, which consists of the server software, which runs this server itself, and the client software. All can be downloaded, and all sources have no copyrights.

JProxy is a thin J2EE client provider that delivers J2EE technology onto the client side with 100 KB client runtime. JProxy is App Server independent. On the server side JProxy is a Servlet and seamlessly integrates with most of Application Servers, such as JBoss, BEA Web Logic, IBM Web Sphere, etc. It also integrates with Apache Axis and IONA Artix for thin client Web Services support. With JProxy you get: * Thin J2EE Client runtime; * HTTP / HTTPS Tunnel for JNDI, RMI, EJB, JMS and CORBA; * Asynchronous JMS over HTTP / HTTPS without polling; * Asynchronous Web Services (with Apache Axis); * Declarative remoting of arbitrary Java interfaces * J2EE Client automatic failover support; * Users access rights authentication and enforcement to a J2EE service with JAAS; * Application Server independence; * JVM independence. JProxy client runtime works in Suns and Microsoft JVM; * J2EE Client can access all J2EE services from standard secure

SMSWriter is the first SMS/Phonebook application which supports the whole 7 bit GSM alphabet including Greek letters. It supports multiple, flash and report messages as well as editing of phone directory. SMSWriter is written in Java using the Java Communication API (javax.comm) and requires at least Java 2 Standard Edition (JDK or JRE) version 1.2. This application has been tested successfully on Windows ME, NT 4.0, 2000, XP and Linux, but it should also work on Solaris.

This small tutorial is for those who are familiar with regular expressions in Perl and want to use them in Java too. I give some examples in Perl on the left side and their Java equivalents on the right side.

Out-of-the-box, full-featured, database-driven web content management system with community, e-commerce, database and statistics add-on modules for creating, publishing and managing websites with advanced, dynamic end-user and website administrator functionality. Includes advanced WYSIWYG editing, members only areas, scheduling, automatically generated content lists, multilingual content, advanced scripting and differentiated access permissions for website administrators. Easy creation of as many templates/style sheets as required. Example usage: Create a multi-lingual website and Extranet and Intranet websites with product catalogue, shopping cart, user registration, message boards, discussion forums, weblogs and email newsletters. Manage the website with multiple website administrators with differentiated access restrictions and publishing workflow processes. Includes open program source code for unlimited customisation and integration with other systems.

JSiteMap is an open source applet which allows you to easily generate a dynamic site map for your website. It converts a static HTML-only map (easy to create) into a dynamic javascript tree structure. There are two versions: applet and application.

The side Java Performance Portal is for all Java Developer, Architects, Consultants and many more people. You should use this community to exchange your experience in using Java. Search for some specific topics or just read articles about Java Performance. Join the community today. It's free. Feel free to post your comments, add stories about Java Performance Issues (or common Performance Issues) or give us some links to other interessting sites. If you miss any category in Topics, WebLinks or Downloads, please write an email (Feedback) and we will try to add your suggestion.

Java 3D Horizontal Bar Chart is a very simple to use applet for creating horizontal bar 3d charts with a very smooth look due to the antialiasing feature included. Easy customizable for individual types, you can redesign it for your own needs modifying colors, transparency, grid type, legend type, positioning, etc.

A tool that allows users to create dashboards using simple SQL query and helps the user to organize their frequently used SQL queries. InfoCaptor is a Rapid Development tool that helps you create, manage and publish Dashboards (�Views�). InfoCaptor Dashboards can display information from different Databases on the same page. These dash-boards allow for summarized (aggregated) view of information as well as detailed view that make up the summarized (aggregated) information. Each dashboard can have any number of SQL queries with parameters and connect to different database instance of your choice. You can define any number of Drills on any column. You can format the output data with a rich set of formatting options. You can export the formatted data to excel. Some of the free dashboards Database Object Browser DBA Dashboard System Administrator Dashboard Datawarehouse Dashboard

Sample chapter from "EJB 2.1 Kick Start" on installing an application server to developing and deploying an EJB on it.

Here are a selection of common questions and answers about Java programming. Question categories are grouped by Applets, AWT / Graphics, I/O & Files, Language questions, Data type issues, Keywords, Operators, Networking, Java.util package and more.

This Java applet implements a fully configurable web address organizer. Hot buttons will take you to display the original sized photo, send e-mail, or visit the selected URL.

The iPanner applet is an extremely simple-to-use image panner with mouseOver. Just give it an image, and it runs... a great pro tool of course, but also a fine choice for Java newcomers. iPanner is linkable (url and target or frame), and also has optional parameters to control start direction, speed, and mouse reaction. The FREE kit download has everything you need to get up and running quickly with a panoramic display on your site.

Article on step by step installation of Tomcat 4.0 Server. Then moves on to introduce JSP and eventually builds a simple JSP page to test the installation.