Alex Cougarman explains the process on how to upload a file via Flex and Java. In the process, it demonstrates Flex’s ECMAScript for XML (E4X) language extension, custom components, classes, and events, as well as a Java-like properties file.

Table of Contents

1. Introduction
2. Creating the Flex project
3. Creating the Java servlet
4. Adding data to the Flex app
5. Creating the Flex upload component
6. Creating a custom Flex event
7. Troubleshooting

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