Multithreading and concurrency are nothing new, but one of the innovations of the Java language design was that it was the first mainstream programming language to incorporate a cross-platform threading model and formal memory model directly into the language specification. While this simplifies the Jump to URL Views: 397 Price: Category: JavaTips and Tutorials
A thread, by definition is a light weight process. They are used to increase functionality and performance by performing multiple tasks at the same time, i.e. concurrently... Jump to URL Views: 393 Price: Category: JavaTips and Tutorials
This article takes a new look at UPC symbols and bar codes, and describes how you can use Java to read information from a UPC bar code. The authors explain how to expedite and organize your enterprise operations that revolve around an IBM DB2 database. The sample application described in the article Jump to URL Views: 551 Price: Category: JavaTips and Tutorials
Ejb was introduced to Java technology to attain some features inherent in enterprise applications. Those features include instance pooling, inbuilt security, declarative transactions, container managed persistence, relationship of business objects and caching etc. Now that many people have built the Jump to URL Views: 424 Price: Category: JavaTips and Tutorials
In this guide, I will try to explain you how you can run examples for J2EE tutorials. There are many ways you can do this, here we will be using the examples in NetBeans IDE which is one of the most powerful open source Java integrated development environments available.
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This book is a collection of notes and tutorial codes I wrote while I was leaning JSP (JavaServer Pages). Topics include: attachment, Big5, book, Chinese, content-disposition, content_type, cookie, custom tag, debugging, example, expression language, file upload, GB2312, GBK, header lines, HTTP/1.1, Jump to URL Views: 405 Price: Category: JavaTips and Tutorials
This can come in very handy, if you need to compare 2 different projects or envs.
For example Development server against prod, to ensure they both have same certs stored in cacerts (sampled by java among others).
Code to generate list of certs, along with there alias, entry, owner and valid date Jump to URL Views: 394 Price: Category: JavaTips and Tutorials
In this JSP tutorial, you will learn about application object, the methods available in application object, getAttribute(String name), getAttributeNames, setAttribute(String objName, Object object), removeAttribute(String objName), getMajorVersion(), getMinorVersion(), getServerInfo(), getInitParame Jump to URL Views: 688 Price: Category: JavaTips and Tutorials
This article introduces you to JSP: its features, target users, and intended use. It also compares JSP to some current Netscape technologies, such as SSJS and NAS's presentation markup language. Main topics include: JSP basics, Basic JSP request model, Working with Java Beans, and more. Jump to URL Views: 443 Price: Category: JavaTips and Tutorials
Java Server Pages (JSP) is a Java API in J2EE which allows dynamic creation of web pages using Java. It has the same purpose as other existing technologies like CGI or PHP. In this tutorial you will learn about Lifecycle of JSP pages, Dynamic content generation, Invoking Java code using JSP scriptin Jump to URL Views: 617 Price: Category: JavaTips and Tutorials
Java Server Pages (JSP) could handle any erros that might be arised in scriptlets, expressions, or other JSP elements. You could use try/cacth blocks to handle any known erros. In this technic we could use to display a custom error on our file where unhandled exception is thrown. Jump to URL Views: 572 Price: Category: JavaTips and Tutorials
In this first part of a series on developing Java servlets, this tutorial shows how to create a basic servlet. It includes information about downloading the Java Servlet Development Kit from Sun. Jump to URL Views: 450 Price: Category: JavaTips and Tutorials
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. Jump to URL Views: 391 Price: Category: JavaTips and Tutorials
GUIs are generally designed with a model-view-controller architecture in which the view is decoupled from the model. The separation presents a challenge to automated testing because it's difficult to verify that a state change in the model is reflected appropriately in the view -- it spawns the infa Jump to URL Views: 502 Price: Category: JavaTips and Tutorials
If you want to build and run faster Java applications on the IBM Developer Kit for Linux, version 1.3, roll up your sleeves and prepare to get dirty. This article provides hands-on instruction for profiling, monitoring, and performance tuning not only your IBM Developer Kit, but your hardware capaci Jump to URL Views: 506 Price: Category: JavaTips and Tutorials
You can divide database results into pages with this script. This source code is for available to use with MySQL. But you can modify the code to use with PostgreSql and Oracle. You can not use this code with MS-SQL. Becuase MS-SQL does not support using 'LIMIT' in your sql queries. Jump to URL Views: 430 Price: Category: JavaTips and Tutorials
Add more versatility to your existing Java framework. The same framework supports file access, network access, character conversion, compression, encryption and so forth. This article presents a framework that lets an application efficiently read data from a source that only supports writing data to Jump to URL Views: 575 Price: Category: JavaTips and Tutorials
The latest release of IBM WebSphere Studio and the Portal Toolkit plug-in provide new features for developing front-end applications using Java Server Faces. These features enable developers to quickly and easily use visual rapid-application development tools and provide a rich set of interesting us Jump to URL Views: 585 Price: Category: JavaTips and Tutorials