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As the J2EE platform has matured, it has opened up the opportunity to deploy commodity servers in networked cluster configurations for scaling of Web services and Web applications at the Web tier. These commodity servers, interconnected through commodity LAN hardware, can provide cost-effective clustering solutions. The last piece of the clustering puzzle is in the software. In this seriesSing Li examines three open source software substrates that can enable high-impact Web tier clustering, beginning with JavaGroups.

In an enterprise environment, you can easily end up in a tangle of modules with a number of third-party libraries and frameworks. While a number of tools are available to aid you in comprehending complex programs, most are expensive and time-consuming to learn. Aspect-oriented programming can be applied to a wide range of programming scenarios, including the comprehension and maintenance of legacy applications.

In server-side control architectures a majority of the control events must be handled on the server side to update the state of the control. For every user event, the entire page data is sent back to the server as part of the form submission, even data that has not changed or is not affected by the user event. This article shows you how to use containers to overcome data-processing redundancy, which can otherwise drain the life out of your handheld or Web server.

This article examines two data management strategies available on the Java platform: Java object serialization and Java Database Connectivity (JDBC). While neither data management strategy is inherently superior or inferior to the other, when it comes to managing enterprise information systems, JDBC wins hands down.

The IBM Reflexive User Interface Builder (RIB), a new technology available from alphaWorks, is an application and toolkit for building and rendering Java AWT/Swing and Eclipse SWT GUIs. RIB specifies a flexible and easy-to-use XML markup language for describing Java GUIs and provides an engine for creating them. You can use RIB to test and evaluate basic GUI layout and functionality, or to create and render GUIs for an application.

Tuning isn't always about speed, sometimes other aspects of the application need fixing. When your application needs tuning, your first course of action is normally to monitor the application with a profiler. But profiling is not always practical -- sometimes for ironic reasons. In this installment of Eye on performance, Jack Shirazi and Kirk Pepperdine, Director and CTO of Java Performance Tuning relate their recent experiences with profiling a fat client -- so fat, in fact, that it left no room for a profiler.

This article goes into details of how Java as a development technology can help developers to keep their applications simple and secure. Simple mean all way � it should be simple to code, modify, maintain, fix and deliver. Also we are going to cover security aspects of Java technology.

Ever since the first version of Java Technology hit the streets, performance has been an important issue for Java developers. Java has improved dramatically and continually but, performance tuning is very essential to get the best results, especially when we think of J2EE applications.

This page contains Kode Java top 100 most viewed Java examples

This Tutorial provides tutorial notes on downloading, installing and setting up Java DB (Derby) server. Topics include downloading and installing Java DB 10.2.2; verifying Java DB execution environment; running Java DB in Network Server mode; using 'ij' to create database and tables.

This article teaches how to create SingleTon design pattern in java. The author has provided step by step guidence to develop a singleton class in java. This is a recommended article to those who are new to java or learning java and want a hands on experience on some concepts.

Sometimes we need to create Bar chart, pie chart or line graph in web applications or applet or swing applications. JfreeChart is a popular library that helps to create any kind of chart or graph easily. This tutorial introduces JfreeChart to developers by creating a simple 3D Bar chart.Sample code snippet or output is attached also.

This guide shows how to make a java class Cloneable and how to clone an object.

This tutorial is for the person who has basic Java programming skills but does not know much about Java object-oriented and GUI programming. This tutorial starts with GUI programming in Java and then moves on to discuss event handling, thread Programming, collection framework and network programming in Java.

This is a short yet detailed step-by-step tutorial on how to create a simple event calendar in Java using DHTMLX JavaPlanner web control. By following this tutorial, you'll get an attractive event calendar with intuitive drag-and-drop, seamless ajax loading and rich UI.

This is a step-by-step tutorial on how to create a simple event calendar in the Struts Framework using DHTMLX JavaPlanner. You'll learn how to perform initialization of the web control, populate your event calendar with data from the database and define logic for data loading and saving. Source code is provided.

This is a step-by-step tutorial that describes the process of an event calendar creation with Grails Framework using DHTMLX JavaPlanner web control. You will learn how to initialize the calendar control, populate it with data and provide client-server logic to save changes to the server. Demo app is available for download.

This is a step-by-step tutorial on how to create a simple event calendar in the Spring Framework using DHTMLX JavaPlanner web control. It describes initialization of the web control, populating the event calendar with data from the database and defining the logic for data loading and saving. Source code and a ready demo sample are available.

This video tutorial demonstrates how to create a simple java calendar with day, week and month views using DHTMLX JavaPlanner web control. The tutorial consists of two videos. You'll learn how to set up a database and connect it to your project, load and save calendar events to the database, and configure the code appropriately,

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