JSP的强大优势在于把一种应用的商务逻辑和它的介绍分离开来。用 Smalltalk的面向对象的术语来说， JSP鼓励MVC(model-view-controller)的web应用。JSP的classes 或 beans 是模型, JSP 是这个视图, 而Servlet是控制器。这个例子是一个简单的留言板-JSP powerful advantage lies in a business application logic and its presentation to the left. Smalltalk object-oriented terminology, JSP encourage MVC (model-view-controller) web applications. JSP classes or beans is the model, is the view JSP and Servlet controller. This example is a simple message board