Here you can find the source of recursiveDelete(File root)
static boolean recursiveDelete(File root)
//package com.java2s; /*//from w w w . j a v a2s . c om * JBoss, Home of Professional Open Source. * Copyright 2016, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ import java.io.File; public class Main { static boolean recursiveDelete(File root) { if (root == null) { return true; } boolean ok = true; if (root.isDirectory()) { final File[] files = root.listFiles(); for (File file : files) { ok &= recursiveDelete(file); } return ok && (root.delete() || !root.exists()); } else { ok &= root.delete() || !root.exists(); } return ok; } }