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package com.haizhitao.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloWorldServlet extends HttpServlet
{
@Override
@SuppressWarnings("deprecation")
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
resp.setContentType("text/html");

PrintWriter out = resp.getWriter();

out.println("<html><head><title>Hello World Sample</title></head>");

out.println("<body><h1>Hello World: " + new Date().toLocaleString() +"</h1></body></html>");

System.out.println(new Date().toLocaleString());

out.flush();
}
}

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> 
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>com.haizhitao.servlet.HelloWorldServlet</servlet-class>
</servlet>

<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>/HelloWorld</url-pattern>
</servlet-mapping>

</web-app>

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