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public static void deleteFileFolder(String folderPath){
File file = new File(folderPath);
if (!file.exists()) {
return;
}
File[] files = file.listFiles();
if (files != null && files.length > 0) {
for (int i = 0; i < files.length; i++) {
String fileName = files[i].getName();
if (files[i].isDirectory()) {
deleteFileFolder(folderPath+File.separator+fileName);
}else {
files[i].delete();
}
}
}
file.delete();
}