Here you can find the source of copyFile(String source, String destination)
private static boolean copyFile(String source, String destination)
//package com.java2s; /****************************************************************** * * Copyright 2018 Samsung Electronics All Rights Reserved. * * * * 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.//from w w w . j a v a 2s . c o m * * ******************************************************************/ import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.FileNotFoundException; import java.io.InputStream; import java.io.OutputStream; public class Main { private static boolean copyFile(String source, String destination) { InputStream inStream = null; OutputStream outStream = null; boolean isSucceed = false; try { File desFile = new File(destination); File srcFile = new File(source); inStream = new FileInputStream(srcFile); outStream = new FileOutputStream(desFile); byte[] buffer = new byte[1024]; int length; while ((length = inStream.read(buffer)) > 0) { outStream.write(buffer, 0, length); } isSucceed = true; } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { if (inStream != null) inStream.close(); if (outStream != null) outStream.close(); } catch (IOException e) { e.printStackTrace(); } } return isSucceed; } }