Here you can find the source of bytesToHexString(byte[] bytes)
public static String bytesToHexString(byte[] bytes)
//package com.java2s; /******************************************************************************* * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, Graz, Austria </copyright> * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a * joint initiative of the Federal Chancellery Austria and Graz University of * Technology.// w ww .j av a2 s. co m * * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by * the European Commission - subsequent versions of the EUPL (the "Licence"); * You may not use this work except in compliance with the Licence. * You may obtain a copy of the Licence at: * http://www.osor.eu/eupl/ * * Unless required by applicable law or agreed to in writing, software * distributed under the Licence is distributed on an "AS IS" basis, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the Licence for the specific language governing permissions and * limitations under the Licence. * * This product combines work with different licenses. See the "NOTICE" text * file for details on the various modules and licenses. * The "NOTICE" text file is part of the distribution. Any derivative works * that you distribute must include a readable copy of the "NOTICE" text file. ******************************************************************************/ import java.util.Formatter; public class Main { public static String bytesToHexString(byte[] bytes) { StringBuilder sb = new StringBuilder(bytes.length * 2); Formatter formatter = new Formatter(sb); for (byte b : bytes) { formatter.format("%02x", b); } formatter.close(); return sb.toString(); } }