Here you can find the source of writeInt(OutputStream out, int i)
public static final void writeInt(OutputStream out, int i) throws IOException
//package com.java2s; /*//from ww w . ja v a 2s .c o m * Copyright 1999-2012 Alibaba Group. * * 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.io.IOException; import java.io.OutputStream; public class Main { public static final void writeInt(OutputStream out, int i) throws IOException { byte[] b = new byte[4]; b[0] = (byte) (i & 0xff); b[1] = (byte) (i >>> 8); b[2] = (byte) (i >>> 16); b[3] = (byte) (i >>> 24); out.write(b); } public static final void write(OutputStream out, byte b) throws IOException { out.write(b & 0xff); } public static void write(OutputStream out, byte[] src) throws IOException { out.write(src); out.flush(); } }