Here you can find the source of copyFile(File src, File dst)
| Parameter | Description |
|---|---|
| src | The name of the source file. |
| dst | The name of the destination file. |
| Parameter | Description |
|---|---|
| IOException | If the file could not be copied. |
public static void copyFile(File src, File dst) throws IOException
//package com.java2s; /*//from w w w . java 2 s.com * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt * or http://forgerock.org/license/CDDLv1.0.html. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at legal-notices/CDDLv1_0.txt. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: * Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END * * * Copyright 2006-2010 Sun Microsystems, Inc. * Portions Copyright 2011-2015 ForgeRock AS * Portions Copyright 2013 Manuel Gaupp */ import java.io.*; public class Main { /** * Copy a file. * * @param src * The name of the source file. * @param dst * The name of the destination file. * @throws IOException * If the file could not be copied. */ public static void copyFile(File src, File dst) throws IOException { copyOrAppend(src, dst, false); } private static void copyOrAppend(File src, File dst, boolean append) throws IOException { try (InputStream in = new FileInputStream(src); OutputStream out = new FileOutputStream(dst, append)) { // Transfer bytes from in to out byte[] buf = new byte[8192]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } } } }