Here you can find the source of deleteFolder(File file)
public static boolean deleteFolder(File file)
//package com.java2s; /*// w ww .j a va2 s .c om * Copyright 2015 Red Hat, Inc. and/or its affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * * 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; public class Main { public static boolean deleteFolder(File file) { File[] flist = null; if (file == null) { return false; } if (file.isFile()) { return file.delete(); } if (!file.isDirectory()) { return false; } flist = file.listFiles(); if (flist != null && flist.length > 0) { for (File f : flist) { if (!deleteFolder(f)) { return false; } } } return file.delete(); } }