Here you can find the source of deleteRecursively(File root)
public static boolean deleteRecursively(File root)
//package com.java2s; /*//from w w w.j a v a2s . c o m * Copyright 2016-2017 the original author or authors. * * 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. */ import java.io.File; import java.io.IOException; import java.nio.file.FileVisitResult; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.SimpleFileVisitor; import java.nio.file.attribute.BasicFileAttributes; public class Main { public static boolean deleteRecursively(File root) { if (root == null) { return false; } try { return deleteRecursively(root.toPath()); } catch (IOException ex) { return false; } } public static boolean deleteRecursively(Path root) throws IOException { if (root == null) { return false; } if (!Files.exists(root)) { return false; } Files.walkFileTree(root, new SimpleFileVisitor<Path>() { @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { Files.delete(file); return FileVisitResult.CONTINUE; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { Files.delete(dir); return FileVisitResult.CONTINUE; } }); return true; } }