This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Because it makes millions of things easier for you. It encapsulates all the underlying web relevant boilerplate (mapping request paramerters into beans, internationalization etc. etc.).
For bigger project a framework such as Struts or other is almost indespensable.
JDBCSupport - An easy to use, light-weight JDBC framework -
First of all you have to understand design patterns. Design patterns is repeatable solution for commonly occurred software problems. Struts is framework and Struts basically developed using two design patterns.
1 ) MVC - Model view Controller.
2 ) Front controller.
so using framework you can make your application development fast and just stay far from some problems at the time of development.