サーブレットで日本語の文字化け対策。

package test;

import java.io.IOException;
import java.io.PrintWriter;
import java.rmi.RemoteException;

import javax.ejb.CreateException;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/*
 * 日本語の文字化けを回避するサンプル(MS932で出力)
 *
 */
public class Test extends HttpServlet {

 private static final long serialVersionUID = 1L;

  public void service(HttpServletRequest req, HttpServletResponse res) {
    PrintWriter pw = null;
    try {
     res.setCharacterEncoding("MS932");
     res.setContentType("text/html; charset=MS932;");
     pw = res.getWriter();
     pw.println("あいうえお");
      pw.close();
     
    } catch (IOException e) {
     e.printStackTrace();
    } 
    
  } 
}