브라우저에서 입력한 데이터 가져오기 (get 방식)

package com.wenyue.request;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Map;
import java.util.Map.Entry;

import javax.print.DocFlavor.STRING;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RequestDemo3 extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
//      http://localhost:8080/day06/servlet/RequestDemo3?name=flx
        String value = request.getParameter("name");
        System.out.println(value);
        

        //http://localhost:8080/day06/servlet/RequestDemo3?like=sing&like=dance
        String likes[] = request.getParameterValues("like");
//      if(likes != null){ 
//          for(String like : likes){
//              System.out.println(like);
//          }
//      }
        // 
        // ， ， 
        // ， ， 
        for(int i=0;likes != null && i e = request.getParameterNames();
        while(e.hasMoreElements()){
            String name = (String) e.nextElement();
            value = request.getParameter(name);
            System.out.println(name + "=" + value);
        }
        
        System.out.println("-------------------------");
        
        // 
        //name=flx&name=xxx
        Map map = request.getParameterMap();
        for(Entry me : map.entrySet()){
            String name = me.getKey();
            String[] v = (String[]) me.getValue();
            System.out.println(name + "=" + v[0]);
        }
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doGet(request, response);
    }
 
}

        // ， ， 
        // ， ， 
        for(int i=0;likes != null && i