Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * 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. */ import java.nio.ByteBuffer; public class Main { private static String formatBytes(byte[] data, boolean unsigned) { ByteBuffer bb = ByteBuffer.wrap(data); StringBuilder sb = new StringBuilder(bb.capacity() * 3); while (bb.remaining() > 0) { if (unsigned) { sb.append(bb.get() & 0xff); } else { sb.append(bb.get()); } sb.append(','); sb.append('\n'); } return sb.toString(); } }