Here you can find the source of setBytes(long value, int offset, byte[] bytes)
public static void setBytes(long value, int offset, byte[] bytes)
//package com.java2s; /* /*from w ww .ja va 2s. c o m*/ * Copyright 2014 Topeka Labs. * * 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 void setBytes(long value, int offset, byte[] bytes) { bytes[offset] = getByte0B(value); bytes[++offset] = getByte1B(value); bytes[++offset] = getByte2B(value); bytes[++offset] = getByte3B(value); bytes[++offset] = getByte4B(value); bytes[++offset] = getByte5B(value); bytes[++offset] = getByte6B(value); bytes[++offset] = getByte7B(value); } public static byte getByte0B(long val) { return (byte) getByte0(val); } public static byte getByte1B(long val) { return (byte) getByte1(val); } public static byte getByte2B(long val) { return (byte) getByte2(val); } public static byte getByte3B(long val) { return (byte) getByte3(val); } public static byte getByte4B(long val) { return (byte) getByte4(val); } public static byte getByte5B(long val) { return (byte) getByte5(val); } public static byte getByte6B(long val) { return (byte) getByte6(val); } public static byte getByte7B(long val) { return (byte) getByte7(val); } public static long getByte0(long val) { return val & 0xFF; } public static long getByte1(long val) { return (val >> 8) & 0xFF; } public static long getByte2(long val) { return (val >> 16) & 0xFF; } public static long getByte3(long val) { return (val >> 24) & 0xFF; } public static long getByte4(long val) { return (val >> 32) & 0xFF; } public static long getByte5(long val) { return (val >> 40) & 0xFF; } public static long getByte6(long val) { return (val >> 48) & 0xFF; } public static long getByte7(long val) { return (val >> 56) & 0xFF; } }