Here you can find the source of writeInt(OutputStream out, int i)
public static void writeInt(OutputStream out, int i) throws IOException
//package com.java2s; /*//w w w. j a va2 s.com This file is part of ADBCJ. ADBCJ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. ADBCJ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with ADBCJ. If not, see <http://www.gnu.org/licenses/>. Copyright 2008 Mike Heath */ import java.io.*; public class Main { public static void writeInt(OutputStream out, int i) throws IOException { out.write(i); out.write(i >> 8); out.write(i >> 16); out.write(i >> 24); } }