This document is written for application developers who want to build WebLogic Server e-commerce applications using the Java 2 Platform, Enterprise Edition (J2EE) from Sun Microsystems. It is assumed that readers know Web technologies, object-oriented programming techniques, and the Java programming language.
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The Web is constantly evolving and changing. In the beginning the Web was a click, wait, replace model. A user would type a Web address, and a page was loaded. To interact or get more details about the current topic the user would provide information via a form, click submit and wait for a new page to be downloaded. The foundation of the Web was to be able to share information. Until competent search engines were developed, the user would click on provided links to traverse the myriad of data. The Web opened up a vast world of knowledge to people. Except it was, and still is, very visually oriented and relies on the mouse interface to navigate.
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Reliable computer systems used in the telecommunication industry, in cars and automated factories (process control) are often implemented as special purpose systems which are vendor-specific, expensive, hard to maintain and difficult to upgrade. Often, those systems apply proprietary techniques to achieve security and predictable timing behavior, even in case of faults. With the need of integrating multiple of those control systems into a bigger whole, requirements arise to open up proprietary systems for standard (non real-time) distributed computing technology.
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A major problem with Object Oriented Programming (OOP) is that it cannot deal efficiently with crosscutting concerns. Aspect Oriented Software Development (AOSD) is a new methodology that tries to enable the extension of the separation of concerns capabilities in software development. AOSD, which encompasses Aspect Oriented Programming (AOP), hopes to enable the developer or architect to capture crosscutting concerns in a modular fashion.

The objectives of the dissertation include the design, implementation and evaluation of a tool that enables the modularisation of crosscutting concerns within C#, that we have called “AspectC#”. AspectC# must:
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This manual provides a foundation for developing applications in ActionScript™ 3.0. To bestunderstand the ideas and techniques described, you should already be familiar with general programming concepts such as data types, variables, loops, and functions. You should also understand basic object-oriented programming concepts such as classes and inheritance. Prior knowledge of ActionScript 1.0 or ActionScript 2.0 is helpful but not necessary.
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This manual provides a foundation for developing applications in ActionScript 3.0. To best understand the ideas and techniques described, you should already be familiar with general programming concepts such as data types, variables, loops, and functions. You should also understand basic object-oriented programming concepts like classes and inheritance. Prior knowledge of ActionScript 1.0 or ActionScript 2.0 is helpful but not necessary.
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