Here you can find the source of deleteFileOrDirectory(File fileOrDirectory)
public static void deleteFileOrDirectory(File fileOrDirectory) throws IOException
//package com.java2s; /*//from ww w .jav a2 s . com * Copyright (c) 2008-2016, GigaSpaces Technologies, Inc. All Rights Reserved. * * 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; public class Main { public static void deleteFileOrDirectory(File fileOrDirectory) throws IOException { if (fileOrDirectory.isDirectory()) { for (File file : fileOrDirectory.listFiles()) deleteFileOrDirectory(file); } if (!fileOrDirectory.delete()) { throw new IOException("Failed deleting " + fileOrDirectory); } } }