Here you can find the source of longToBuffer(long l, byte[] ioBuffer)
public static void longToBuffer(long l, byte[] ioBuffer)
//package com.java2s; /*//from ww w. j ava 2s . c o m * ao-lang - Minimal Java library with no external dependencies shared by many other projects. * Copyright (C) 2011, 2012, 2013, 2015, 2016, 2017 AO Industries, Inc. * support@aoindustries.com * 7262 Bull Pen Cir * Mobile, AL 36695 * * This file is part of ao-lang. * * ao-lang is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ao-lang is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with ao-lang. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static void longToBuffer(long l, byte[] ioBuffer) { ioBuffer[0] = (byte) (l >>> 56); ioBuffer[1] = (byte) (l >>> 48); ioBuffer[2] = (byte) (l >>> 40); ioBuffer[3] = (byte) (l >>> 32); ioBuffer[4] = (byte) (l >>> 24); ioBuffer[5] = (byte) (l >>> 16); ioBuffer[6] = (byte) (l >>> 8); ioBuffer[7] = (byte) l; } public static void longToBuffer(long l, byte[] ioBuffer, int off) { ioBuffer[off] = (byte) (l >>> 56); ioBuffer[off + 1] = (byte) (l >>> 48); ioBuffer[off + 2] = (byte) (l >>> 40); ioBuffer[off + 3] = (byte) (l >>> 32); ioBuffer[off + 4] = (byte) (l >>> 24); ioBuffer[off + 5] = (byte) (l >>> 16); ioBuffer[off + 6] = (byte) (l >>> 8); ioBuffer[off + 7] = (byte) l; } }