Java tutorial
//package com.java2s; /** * konashi????????????? * * @author monakaz, YUKAI Engineering * http://konashi.ux-xu.com * ======================================================================== * Copyright 2014 Yukai Engineering 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. * */ import java.nio.ByteBuffer; import java.nio.ByteOrder; public class Main { public static byte[] int2bytes(int a) { int arraySize = Integer.SIZE / Byte.SIZE; ByteBuffer buffer = ByteBuffer.allocate(arraySize); buffer.order(ByteOrder.LITTLE_ENDIAN); return buffer.putInt(a).array(); } }