Here you can find the source of dumbfilecopy(File source, File dest)
public static void dumbfilecopy(File source, File dest) throws IOException
//package com.java2s; /**/* w w w . j a v a 2s.c o m*/ * Licensed to Cloudera, Inc. under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Cloudera, Inc. licenses this file * to you 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.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class Main { /** * Copies a file. */ public static void dumbfilecopy(File source, File dest) throws IOException { FileOutputStream out = new FileOutputStream(dest); FileInputStream in = new FileInputStream(source); byte[] buf = new byte[(int) source.length()]; in.read(buf); out.write(buf); in.close(); out.close(); } }