Here you can find the source of toBytes(long... values)
public static byte[] toBytes(long... values)
//package com.java2s; /**/*from w w w. j a v a 2s . com*/ * Copyright (c) 2002-2013 "Neo Technology," * Network Engine for Objects in Lund AB [http://neotechnology.com] * * This file is part of Neo4j. * * Neo4j is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static byte[] toBytes(long... values) { byte[] array = new byte[8 * values.length]; for (int i = 0; i < values.length; i++) { toBytes(values[i], array, 8 * i); } return array; } public static byte[] toBytes(long value) { return toBytes(value, new byte[8], 0); } public static byte[] toBytes(long value, byte[] target, int offset) { for (int i = 0; i < 8; i++) { target[7 - i + offset] = (byte) (value >>> (i * 8)); } return target; } }