Here you can find the source of deleteFileOrDirectory(String fileName)
public static void deleteFileOrDirectory(String fileName)
//package com.java2s; /*//w w w.j a va 2 s.c o m * Copyright (C) 2008 feilong * * 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; public class Main { public static void deleteFileOrDirectory(String fileName) { File file = new File(fileName); if (file.exists()) { deleteFileOrDirectory(file); } throw new IllegalArgumentException("file:[" + fileName + "] not exists,please check it!"); } public static void deleteFileOrDirectory(File file) { if (file.exists() && file.isDirectory()) { File[] files = file.listFiles(); if (null != files && files.length > 0) { for (File currentFile : files) { if (!currentFile.isDirectory()) { currentFile.delete(); } else { deleteFileOrDirectory(currentFile); } } } file.delete(); } else { file.delete(); } } }