Windows FILETIME与JAVA Date互转

public class TimeHelper {
private final static long DIFF_UNIX_WIN_MS = 11644473600000L;
private final static long MULTIPLE_MS_100NS = 10000;

private TimeHelper() {

}

public static Date Filetime2Date(long llt) {
llt /= MULTIPLE_MS_100NS;
llt -= DIFF_UNIX_WIN_MS;
return new Date(llt);
}
public static long Date2Filetime(Date d) {
long llt;

llt = d.getTime();
llt += DIFF_UNIX_WIN_MS;
llt *= MULTIPLE_MS_100NS;
return llt;
}
}