Here you can find the source of bytesToMac(final byte[] bytes)
public static String bytesToMac(final byte[] bytes)
//package com.java2s; /*/*from ww w . j a va2 s . c o m*/ * Copyright (c) 2015 Mark D. Horton * * This is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 3 of the License, or (at your option) * any later version. * * This software is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABIL- * ITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General * Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String bytesToMac(final byte[] bytes) { final StringBuilder sb = new StringBuilder((bytes.length * 3) - 1); for (final byte b : bytes) { if (sb.length() > 0) sb.append(":"); sb.append(Character.forDigit((b >>> 4) & 0xF, 16)); sb.append(Character.forDigit((b & 0xF), 16)); } return sb.toString(); } }