Here you can find the source of deleteRecursive(File root)
public static boolean deleteRecursive(File root)
//package com.java2s; /*/* www .j a v a2 s . c o m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF 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 WARRANTIESOR 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 { /** * Do rm -rf */ public static boolean deleteRecursive(File root) { if (!!!root.exists()) return false; else if (root.isFile()) return root.delete(); else { boolean result = true; for (File f : root.listFiles()) { result = deleteRecursive(f) && result; } return root.delete() && result; } } }