Here you can find the source of bytesToStringMac(byte[] mac)
private static String bytesToStringMac(byte[] mac)
//package com.java2s; /**/*from w w w.j a v a 2 s. c o m*/ * Copyright 2013-2015 Seagate Technology LLC. * * This Source Code Form is subject to the terms of the Mozilla * Public License, v. 2.0. If a copy of the MPL was not * distributed with this file, You can obtain one at * https://mozilla.org/MP:/2.0/. * * This program is distributed in the hope that it will be useful, * but is provided AS-IS, WITHOUT ANY WARRANTY; including without * the implied warranty of MERCHANTABILITY, NON-INFRINGEMENT or * FITNESS FOR A PARTICULAR PURPOSE. See the Mozilla Public * License for more details. * * See www.openkinetic.org for more project information */ public class Main { private static String bytesToStringMac(byte[] mac) { StringBuilder sb = new StringBuilder(18); for (byte b : mac) { if (sb.length() > 0) { sb.append(':'); } sb.append(String.format("%02x", b)); } return sb.toString(); } }