Java tutorial
//package com.java2s; /* * Copyright (C) 2013 www.418log.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static String byte2HexStr(byte[] b, int length) { String hs = ""; String stmp = ""; for (int n = 0; n < length; ++n) { stmp = Integer.toHexString(b[n] & 0xFF); if (stmp.length() == 1) hs = hs + "0" + stmp; else { hs = hs + stmp; } hs = hs + ","; } return hs.toUpperCase(); } }