Java EE 6特性

1提供profile.

2 使用單一的包 *.war部署

3 註釋 替代web.xml
package com.foo;
@Servlet(name=”MyServlet”, url-pattern=”/myApp/*”)
public class MyServlet {
public void doGet(HttpServletRequest req,
HttpServletResponse res)
{
...
}

4 EJB entity beans 被JPA取代, JAX-RPC 被JAX-WS取代