Eclipse内のURLについて

HTML
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
2  "http://www.w3.org/TR/html4/strict.dtd">
3<html>
4<head>
5<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
6</head>
7<body>
8
9	<form action="../../../GetRequestParameterJP" method="post">
10		名前：<input type="text" name="name" value="山田 山田男"><br> 年齢：<input
11			type="text" name="age" value="47"><br> 住所：<input
12			type="text" name="address" value="埼玉県"><br>
13		<button type="submit">POSTリクエスト</button>
14	</form>
15
16</body>
17</html>

Java
1package section232;
2
3import java.io.IOException;
4import java.io.PrintWriter;
5
6import javax.servlet.ServletException;
7import javax.servlet.annotation.WebServlet;
8import javax.servlet.http.HttpServlet;
9import javax.servlet.http.HttpServletRequest;
10import javax.servlet.http.HttpServletResponse;
11
12/**
13 * Servlet implementation class GetRequestParameterJPServlet
14 */
15@WebServlet("/GetRequestParameterJPServlet")
16public class GetRequestParameterJPServlet extends HttpServlet {
17	private static final long serialVersionUID = 1L;
18
19	/**
20	 * @see HttpServlet#HttpServlet()
21	 */
22	public GetRequestParameterJPServlet() {
23		super();
24		// TODO Auto-generated constructor stub
25	}
26
27	/**
28	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
29	 */
30	protected void doGet(HttpServletRequest request, HttpServletResponse response)
31			throws ServletException, IOException {
32		// TODO Auto-generated method stub
33		response.getWriter().append("Served at: ").append(request.getContextPath());
34	}
35
36	/**
37	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
38	 */
39	// POSTリクエストを処理するメソッド
40	protected void doPost(
41			HttpServletRequest request,
42			HttpServletResponse response)
43			throws ServletException, IOException {
44
45		// 出力内容のコンテントタイプと文字コードを設定
46		response.setContentType("text/html; charset=utf-8");
47
48		// リクエストパラメータの文字コードを設定
49		request.setCharacterEncoding("utf-8");
50
51		// パラメータの取得
52		String name = request.getParameter("name");
53		String age = request.getParameter("age");
54		String address = request.getParameter("address");
55
56		// HTML形式の内容を出力する
57		PrintWriter out = response.getWriter();
58		out.write("<html><body>");
59		out.write("POSTパラメータ<br>");
60		out.write("name:" + name + "<br>");
61		out.write("age :" + age + "<br>");
62		out.write("address:" + address + "<br>");
63		out.write("</body></html>");
64		out.flush();
65		out.close();
66	}
67}