Java tutorial
//package com.java2s; //License from project: Apache License import java.io.File; public class Main { /** * Delete directory you passed. the directory's child file and directory will be deleted too by recursive exploring. */ public static void deleteAllFiles(File directory) { File[] files; files = directory.listFiles(); files = files == null ? new File[0] : files; for (File file : files) { if (file.isDirectory()) deleteAllFiles(file); else file.delete(); } directory.delete(); } }