In the past, we developed a series of web pages (Views) as part of our webstore application, such as a page to show products, another page to add products, and so on. Although every View has served a different purpose, all of them share a common visual pattern; each page has a header, a content area, and so on. We hardcoded and repeated those common elements in every JSP View page. But this is not a good idea because, in future, if we want to change the look and feel of any of these common elements, we have to change every page in order to maintain a consistent look and feel across all the web pages.

To address this problem, modern web applications use template mechanisms; Apache Tiles is one such template composition framework. Tiles allow developers to define reusable page fragments (tiles), which can be assembled into a complete web page at runtime. These fragments can have parameters to allow dynamic content. This increases the reusability of...