import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

public class Md5Util {

    public static final String GetMd5(String s) {

        char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',

                'A', 'B', 'C', 'D', 'E', 'F' };

        char str[] = null;

        byte strTemp[] = s.getBytes();

        MessageDigest mdTemp;

        try {

            mdTemp = MessageDigest.getInstance("MD5");

            mdTemp.update(strTemp);

            byte md[] = mdTemp.digest();

            int j = md.length;

            str = new char[j * 2];

            int k = 0;

            for (int i = 0; i < j; i++) {

                byte byte0 = md[i];

                str[k++] = hexDigits[byte0 >>> 4 & 0xf];

                str[k++] = hexDigits[byte0 & 0xf];

            }

        } catch (NoSuchAlgorithmException e) {

            e.printStackTrace();

        }

        return new String(str);

    }

    public static void main(String args[]) {

        System.out.println(GetMd5("1"));

    }

}