If you are J2EE programmer & had ever needed to generate reports, you would have heard of JasperReports. While browsing, I came across documents called “TechMaps” on [1] JavaBlackBelt.com. TechMaps are excellent visual aids introduction to understand basics of Jasper Reports. Hope this will be helpful to larger community.

What is a TechMap?
A TechMap is a kind of visual article which explains a technology with a minimal amount of words and maximum amount of graphics.