Here you can find the source of deleteFileRescursive(File file)
public static boolean deleteFileRescursive(File file)
//package com.java2s; /*/*from w w w .j a v a2 s . c o m*/ * Copyright (c) 2018 Waritnan Sookbuntherng * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import java.io.File; import java.nio.file.Files; public class Main { public static boolean deleteFileRescursive(File file) { return deleteFileRescursive(file, true); } public static boolean deleteFileRescursive(File file, boolean safeDelete) { String path = file.getAbsolutePath(); if (safeDelete && (path.equals("/") || path.equals(System.getProperty("user.home")))) { throw new RuntimeException( "Did you really trying to remove entire filesystem? or user's home directory?"); } if (!file.exists()) { return true; } if (file.isFile() || Files.isSymbolicLink(file.toPath())) { return file.delete(); } File[] files = file.listFiles(); if (files == null) { return false; } for (File f : files) { if (!deleteFileRescursive(f)) { return false; } } return file.delete(); } }