Comparator<File> comparator = new Comparator<File>(){
    public int compare(File file1, File file2){
        DateForamt formatter = new SimpleDateFormat("MMddyyyy");
        Date date1 = formatter.parse(file1.getName().substring(1));
        Date date2 = formatter.parse(file2.getName().substring(1));
        return date1.compareTo(date2);
    }
}

File file = new File("/home/");
File[] files = file.listFiles();
Arrays.sort(files,comparator);

------解决方案--------------------
探讨

Java code
Comparator<File> comparator = new Comparator<File>(){
    public int compare(File file1, File file2){
        DateForamt formatter = new SimpleDateFormat("MMddyyyy");
        Date date1 ……


------解决方案--------------------
一条语句里不好搞，写个小perl脚本轻松就搞定了

------解决方案--------------------
ls -a | sort -r | head -n 1

------解决方案--------------------
ls -A1rt | tail -n 1