Java tutorial
//package com.java2s; /** * CommonUtils.java created on 2014-07-14. * * Copyright (C) 2014 P1nGu1n * * This file is part of Snapshare. * * Snapshare 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. * * Snapshare 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 * a gazillion times. If not, see <http://www.gnu.org/licenses/>. */ import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** * Creates a copy of a file * @param source The file you want to copy * @param destination The destination you want to copy the file to * @throws IOException An error occurred while copying the file */ public static void copyFile(File source, File destination) throws IOException { InputStream in = null; OutputStream out = null; try { in = new FileInputStream(source); out = new FileOutputStream(destination); byte[] buffer = new byte[1024]; int length; while ((length = in.read(buffer)) > 0) { out.write(buffer, 0, length); } } finally { if (in != null) { in.close(); } if (out != null) { out.close(); } } } }