java定时删除文件夹及文件

import java.io.File;
import java.util.Date;
import java.util.Timer;

public class Test {
public static void main(String[] args) throws Exception {
Timer t =new Timer();
String s = "2016-2-14 21:41:00";
java.text.SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date d =format.parse(s);
t.schedule(new DeleteFolder(), d);
}

}

class DeleteFolder extends java.util.TimerTask{
@Override
public void run() {
File file = new File("d://Demo");
delteFile(file);
}
//递归删除文件及文件夹
public void delteFile(File file){
File []filearray=	file.listFiles();
if(filearray!=null){
for(File f:filearray){
if(f.isDirectory()){
delteFile(f);
}else{
f.delete();
}
}
file.delete();
}
}

}