Here you can find the source of intToByteArray(int value)
public static byte[] intToByteArray(int value)
//package com.java2s; /*-------------------------------------------------------------------------+ | | | Copyright 2005-2011 the ConQAT Project | | | | 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 { /** The number of bytes used to encode an integer as a byte array. */ public static final int INT_BYTE_ARRAY_LENGTH = 4; /** Converts an integer value to a byte array. */ public static byte[] intToByteArray(int value) { byte[] bytes = new byte[INT_BYTE_ARRAY_LENGTH]; bytes[0] = (byte) (value >> 24); bytes[1] = (byte) (value >> 16); bytes[2] = (byte) (value >> 8); bytes[3] = (byte) (value); return bytes; }/*from ww w. j a v a 2 s . c o m*/ }