Here you can find the source of long2bytes(long value, byte[] bytes, int off)
public static void long2bytes(long value, byte[] bytes, int off)
//package com.java2s; /*/*w w w .j a v a2 s .c om*/ * Copyright 2009-2016 Weibo, Inc. * * 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 long2bytes(long value, byte[] bytes, int off) { bytes[off + 7] = (byte) value; bytes[off + 6] = (byte) (value >>> 8); bytes[off + 5] = (byte) (value >>> 16); bytes[off + 4] = (byte) (value >>> 24); bytes[off + 3] = (byte) (value >>> 32); bytes[off + 2] = (byte) (value >>> 40); bytes[off + 1] = (byte) (value >>> 48); bytes[off] = (byte) (value >>> 56); } }