Here you can find the source of toByteArray(int i)
public static byte[] toByteArray(int i)
//package com.java2s; /**//from w ww.j a v a2 s. c om * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 byte[] toByteArray(int i) { byte[] bytes = new byte[4]; bytes[0] = (byte) ((i >>> 24) & 0xFF); bytes[1] = (byte) ((i >>> 16) & 0xFF); bytes[2] = (byte) ((i >>> 8) & 0xFF); bytes[3] = (byte) (i & 0xFF); return bytes; } }