Here you can find the source of writeInt(OutputStream out, int value)
public static void writeInt(OutputStream out, int value) throws IOException
//package com.java2s; /*//w w w.j a va 2s. co m * Keystone Development Framework * Copyright (C) 2004-2009 Rick Knowles * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public License * Version 2 as published by the Free Software Foundation. * * This program 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 Version 2 for more details. * * You should have received a copy of the GNU Library General Public License * Version 2 along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import java.io.IOException; import java.io.OutputStream; public class Main { public static void writeInt(OutputStream out, int value) throws IOException { byte[] buf = new byte[4]; writeIntToBuffer(value, buf, 0); out.write(buf); } public static void writeIntToBuffer(int value, byte[] buffer, int offset) { buffer[offset] = (byte) (value >>> 0); buffer[offset + 1] = (byte) (value >>> 8); buffer[offset + 2] = (byte) (value >>> 16); buffer[offset + 3] = (byte) (value >>> 24); } }