Here you can find the source of printBytes(byte[] bytes, int bytesPerLine)
public static String printBytes(byte[] bytes, int bytesPerLine)
//package com.java2s; /****************************************************************************** * * Copyright (C) 2014 Broadcom Corporation * * 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./*from w w w. ja v a 2 s. c o m*/ * ******************************************************************************/ public class Main { public static void printBytes(byte[] bytes, StringBuilder builder, int bytesPerLine) { for (int i = 0; i < bytes.length; i++) { if (i != 0 && i % bytesPerLine == 0) { builder.append("\n"); } builder.append(String.format("%02x ", bytes[i])); } } public static String printBytes(byte[] bytes, int bytesPerLine) { StringBuilder builder = new StringBuilder(); printBytes(bytes, builder, bytesPerLine); return builder.toString(); } }