I have a simple CRUD website in development process, almost done. I was asked to refactor the code but this time use struts 2 and commons chain. I read a couple of sites like this but wasn't able to know exactly what will be the key roles done by these two (struts 2 and commons chain) in my project. I was also asked that don't worry about struts tags like in this tutorial as the code that i made earlier can be used.
Can anyone give me an insight. Thanks
Note: A day back I started to see about struts 2