是连接字符串中的IE用户代理

import org.apache.log4j.Logger;

import java.io.BufferedOutputStream;/**来 自 时 代 J a v a 公 众 号 - nowjava.com**/

import java.io.FileInputStream;

import java.io.IOException;

import java.net.URLEncoder;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;


public class Main{

    public static void main(String[] argv) throws Exception{

        String userAgent = "nowjava.com";

        System.out.println(isIE(userAgent));

    }

    /**

     * Logger for this class

     */

    private static final Logger logger = Logger

            .getLogger(DownloadHelper.class);

    public static boolean isIE(String userAgent) {

        if (logger.isDebugEnabled()) {

            logger.debug("isIE(String) - start"); //$NON-NLS-1$

        }
        /**
         from
        * 时代Java - nowjava.com 
        **/


        boolean returnboolean = userAgent.toLowerCase().indexOf(