Here you can find the source of deleteAllFile(String path)
public static boolean deleteAllFile(String path)
//package com.java2s; //License from project: Open Source License import java.io.File; public class Main { public static boolean deleteAllFile(String path) { boolean flag = false; File file = new File(path); if (!file.exists()) { return flag; }/*from w ww. ja v a 2 s .c om*/ if (!file.isDirectory()) { return flag; } String[] tempList = file.list(); File temp = null; for (int i = 0; i < tempList.length; i++) { if (path.endsWith(File.separator)) { temp = new File(path + tempList[i]); } else { temp = new File(path + File.separator + tempList[i]); } if (temp.isFile()) { temp.delete(); } if (temp.isDirectory()) { deleteAllFile(path + "/" + tempList[i]); deleteFolder(path + "/" + tempList[i]); flag = true; } } return flag; } public static void deleteFolder(String folderPath) { try { deleteAllFile(folderPath); String filePath = folderPath; filePath = filePath.toString(); java.io.File myFilePath = new java.io.File(filePath); myFilePath.delete(); } catch (Exception e) { } } }