Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * 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.InputStream; import java.io.OutputStream; public class Main { /** * Copies all of the bytes from {@code in} to {@code out}. Neither stream is closed. * Returns the total number of bytes transferred. */ public static int copy(InputStream in, OutputStream out) throws IOException { int total = 0; byte[] buffer = new byte[8192]; int c; while ((c = in.read(buffer)) != -1) { total += c; out.write(buffer, 0, c); } return total; } }