Here you can find the source of hexOut(byte[] byteArray)
public static String hexOut(byte[] byteArray)
//package com.java2s; /**/*from w w w .j av a2s. co m*/ * Copyright (C) 2012 nibbles.it * * This library 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 library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 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 library; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import javax.xml.bind.DatatypeConverter; public class Main { /** * Make the byte array appear as hex number, without spaces. */ public static String hexOut(byte[] byteArray) { if (byteArray == null) { return null; } else { return DatatypeConverter.printHexBinary(byteArray); //return toHexString(byteArray, false); } } }