Here you can find the source of toBytes(final long n)
| Parameter | Description |
|---|---|
| n | The number to convert. |
public static byte[] toBytes(final long n)
//package com.java2s; /**/*from www .ja va2 s .c o m*/ * Copyright 2003-2004 The Apache Software Foundation. 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. * <p> * Static methods for managing byte arrays (all methods follow Big Endian order where most * significant bits are in front). * </p> * * @author Commons-Id Team * @version $Id: Bytes.java,v 1.1 2004/05/31 06:54:24 treilly Exp $ {@link http * ://jakarta.apache.org/turbine/turbine-2.3/} */ public class Main { /** * Returns a 8-byte array built from a long. * * @param n * The number to convert. * @return A byte[]. */ public static byte[] toBytes(final long n) { return toBytes(n, new byte[8]); } /** * Build a 8-byte array from a long. No check is performed on the array length. * * @param n * The number to convert. * @param b * The array to fill. * @return A byte[]. */ public static byte[] toBytes(final long n, final byte[] b) { long n2 = n; b[7] = (byte) (n2); n2 >>>= 8; b[6] = (byte) (n2); n2 >>>= 8; b[5] = (byte) (n2); n2 >>>= 8; b[4] = (byte) (n2); n2 >>>= 8; b[3] = (byte) (n2); n2 >>>= 8; b[2] = (byte) (n2); n2 >>>= 8; b[1] = (byte) (n2); n2 >>>= 8; b[0] = (byte) (n2); return b; } }