JAVA MD5

private final static char[] hexDigits = { '0', '1', '2', '3', '4', '5',
        '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

 private static String bytesToHex(byte[] bytes) {
     StringBuffer sb = new StringBuffer();
     int t;
     for (int i = 0; i < 16; i++) {// 16 == bytes.length;
 
         t = bytes[i];
         if (t < 0)
             t +=256;
         sb.append(hexDigits[(t >>> 4)]);
         sb.append(hexDigits[(t % 16)]);
     }
     return sb.toString();
 }

 public static String getMD5(String input) {
     try {
         MessageDigest md = MessageDigest.getInstance("MD5");
         return bytesToHex(md.digest(input.getBytes()));
 
     } catch (NoSuchAlgorithmException e) {
         e.printStackTrace();    
        
     }
     return null;
 }