Intent I want to summarize some new and interesting Java 5 features in this article and how they change the way I code. Enum I use int constants to make my life easier b/c it can avoid typo. However, it has several drawbacks: Java doesn’t provide namespace for int enum groups. I can either prefix [...]

What is AOP? AOP is a way to modularize cross-cutting concerns. Ok, what does “modularize” really mean? Modularization is the encapsulation of a unit of functionality. It is exactly what “Class” is doing in OO world. How about “cross-cutting concerns”? Basically it means any functionalities that span multiple modules/ classes. They include Transaction Management, Security, [...]

Recently, I want to extend the LineChart in Flex. I want to have line chart with event annotated like Google Finance.   First of all, I googled the Net to see whether anyone had already done it. It was even better if I could find any open source project related to this. Below are the [...]