importjava.util.Date;publicclassTimeDifference{publicstaticvoidmain(String[]args){// 第一个时间Datetime1=newDate();// 第二个时间Datetime2=newDate();// 获取第一个时间的毫秒数longtime1InMillis=time1.getTime();// 获取第二个时间的毫秒数longtime2InMillis=time2.getTime();// 计算时间差(毫秒数...
importjava.time.Duration;importjava.time.LocalDateTime;publicclassTimeDifference{publicstaticvoidmain(String[]args){LocalDateTimedateTime1=LocalDateTime.now();// 创建第一个时间对象,表示当前时间LocalDateTimedateTime2=LocalDateTime.now();// 创建第二个时间对象,表示待比较的时间longdiffInSeconds=Duration.between(...
long differenceInDays = TimeUnit.MILLISECONDS.toDays(differenceInMilliseconds); System.out.println("天数差值:" + differenceInDays + "天"); 二,Calendar类型 1,获取当前日期及和Date类型转化 Calendar类,专门用于转换特定时刻和日历字段之间的日期和时间。 Calendarcalendar=Calendar.getInstance();// 获取日历的...
LocalDateTime dt1 =dateofString.atTime(timeofString); LocalDateTime dt2=time.atDate(date); LocalDateTime dt3=LocalDateTime.of(date,time); LocalDateTime dt4= LocalDateTime.of(2018,8,22,17,55,55);//2018-08-22T17:55:55 也可以将LocalDateTime拆分为独立的LocalDate 和LocalTime: LocalDate localDate...
importjava.util.Calendar;publicclassCalendarDifference{publicstaticvoidmain(String[]args){Calendar calendar1=Calendar.getInstance();calendar1.set(2023,Calendar.JUNE,1);Calendar calendar2=Calendar.getInstance();calendar2.set(2024,Calendar.JUNE,1);long differenceInMilliseconds=calendar2.getTimeInMillis()-ca...
import java.time.LocalDateTime; import java.time.Instant; public class Main { public static void main(String[] args) { LocalDateTime localDateTime = LocalDateTime.now(); Instant instant = localDateTime.toInstant(); long milliseconds = instant.toEpochMilli(); System.out.println("Milliseconds: " +...
LocalDateTime in seconds, Java Implementation to Truncate Seconds from SQL Time, Storing the time difference between two timestamps in seconds as an integer variable
Calculation of Time Zone Difference in Java Solution 1: Obtain the standard time in the given time zone by adding the milliseconds returned by TimeZone.getRawOffset() to UTC. This value is known as the raw offset because it remains constant and is not influenced by daylight saving time. ...
(diff); long diffInMinutes = TimeUnit.MILLISECONDS.toMinutes(diff); long diffInHours = TimeUnit.MILLISECONDS.toHours(diff); System.out.println("\n\ndifference is:\n"); System.out.println(diffInHours + " hours : " + diffInMinutes + " minutes : " + diffInSeconds + " seconds"); }...
System.out.println("in milliseconds: "+ date.getTime()); } } 注意: 所有日期均在内部以UTC表示 getTime() 返回自1970-01-01 00:00:00 UTC以来的毫秒数 2、通过正则表达式 privatestaticPattern pattern = Pattern.compile("(\\d{2}):(\\d{2}):(\\d{2}).(\\d{3})"); ...