Hellow World 만들기

web.xml 

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"  id="WebApp_ID" version="3.0">  <display-name>PilotProject</display-name>  <servlet>   <servlet-name>hello</servlet-name>   <servlet-class>hello.HelloServlet</servlet-class>  </servlet>  <servlet-mapping>   <servlet-name>hello</servlet-name>   <url-pattern>/hello</url-pattern>  </servlet-mapping> </web-app>

 

 

HelloServlet.java 

package hello;   import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloServlet extends HttpServlet {  @Override  protected void service(HttpServletRequest request,        HttpServletResponse response)       throws ServletException, IOException {   response.getWriter().write("<h1>Hello World!!!</h1>");  } }