1 package my.tomcat2; 2  3 import java.net.Socket; 4  5 /** 6  * 用来封装 Request 和 Response，也就是客户端发来的请求和回应 7  */ 8 public abstract class Servlet { 9 10     protected void service(Request request, Response response){11         this.doGet(request, response);12         this.doPost(request, response);13     }14 15     protected abstract void doGet(Request request, Response response);16     protected abstract void doPost(Request request, Response response);17 }