Java tutorial
//package com.java2s; /* * Advance Sudoku - a sudoku puzzle game for Android. * Copyright 2015 Joachim Thilo * * This file is part of Andoku. * * Advance Sudoku 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. * * Advance Sudoku 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 Advance Sudoku . If not, see <http://www.gnu.org/licenses/>. */ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { private static void copy(InputStream in, OutputStream out) throws IOException { byte[] buffer = new byte[4096]; try { while (true) { int bytes = in.read(buffer); if (bytes == -1) break; out.write(buffer, 0, bytes); } out.flush(); } finally { try { in.close(); } finally { out.close(); } } } }