import ;
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public class TimeCompare {
public static void main(String[] args) {
// String time1 = "2019-06-26 19:00:00";
// SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//有漏洞,建议不要用
// Date date1;
// try {
// date1 = (time1);
// Date date2 = new Date();
// ((date2));
// ((date2));
// } catch (ParseException e) {
// ();
// }
//第一种
String time1 = "2019-06-26 19:00:00";
DateTimeFormatter dtf2 = ("yyyy-MM-dd HH:mm:ss");
LocalDateTime localDateTime = (time1, dtf2);
((()));//你的时间在当前时间之前是true
((()));//在当前时间之后是false
//第二种
LocalDateTime now = ();
Duration duration = (now,now);
(duration);
long days = (); //相差的天数
long hours = ();//相差的小时数
long minutes = ();//相差的分钟数
long millis = ();//相差毫秒数
long nanos = ();//相差的纳秒数
(millis);
//第三种
long mills = (()).toInstant().toEpochMilli();
(mills >= ());
}
}