md5Hasher.java

import java.security.MessageDigest;

class Hasher {
  public static string getMD5(String password){
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(password.getBytes());

    byte byteData[] = md.digest();

    //convert the byte to hex format method 1
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
     sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
    }

    return sb.toString();
  }
}