import java.security.MessageDigest;

public class MD5Encoder {

    public static String encode(String string) throws Exception {

        byte[] hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));

        StringBuilder hex = new StringBuilder(hash.length * 2);

        for (byte b : hash) {

            if ((b & 0xFF) < 0x10) {

                hex.append("0");

            }

            hex.append(Integer.toHexString(b & 0xFF));

        }

        return hex.toString();

    }

}