Java tutorial
//package com.java2s; /* * Copyright (C) 2014-present, Wei Chou (weichou2010@gmail.com) * * 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 toHexs(byte[] bytes, String separator) { return toHexs(bytes, 0, bytes.length, separator); } public static String toHexs(byte[] bytes, int offset, int count, String separator) { StringBuilder s = new StringBuilder(); int end = offset + count; for (int i = offset; i < end; i++) { if (i > offset) s.append(separator); s.append(Integer.toHexString(bytes[i])); } return s.toString(); } }