Java 自定义DateUtils

/*
    Date d = new Date();
    String s = DateUtils.DateToString(d, "yyyy-MM-dd HH:mm:ss");
    System.out.println(s);
    System.out.println("============================");
    String s2 = "2048-01-01 12:00:00";
    Date d2 = DateUtils.StrHHToDate(s2);
    System.out.println(DateUtils.DateToStrHH(d2));
    System.out.println(d2.toString());
*/
public class DateUtils {
    private DateUtils() {
    }

    public static String DateToString(Date date, String format) {
        return new SimpleDateFormat(format).format(date);
    }

    public static String DateToStrHH(Date date) {
        return DateToString(date, "yyyy-MM-dd HH:mm:ss");
    }

    public static String DateToStr(Date date) {
        return DateToString(date, "yyyy-MM-dd");
    }

    public static Date StringToDate(String dateStr, String format) throws ParseException {
        return new SimpleDateFormat(format).parse(dateStr);
    }

    public static Date StrToDate(String dateStr) throws ParseException {
        return new SimpleDateFormat("yyyy-MM-dd").parse(dateStr);
    }

    public static Date StrHHToDate(String dateStr) throws ParseException {
        return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(dateStr);
    }
}