importjava.util.Date;publicclassDateDifference{publicstaticvoidmain(String[]args){Datedate1=newDate();// 第一个日期Datedate2=newDate();// 第二个日期longstartTime=date1.getTime();// 获取第一个日期的毫秒数longendTime=date2.getTime();// 获取第二个日期的毫秒数longdiffInMilliseconds=endTime-...
importjava.util.Date;publicclassDateDifferenceCalculator{publicstaticvoidmain(String[]args){// 创建两个Date对象Datedate1=newDate();// 第一个日期对象,表示当前日期和时间Datedate2=newDate();// 第二个日期对象,表示另一个日期和时间// 获取两个Date对象的毫秒数longtime1=date1.getTime();longtime2=da...
System.out.println("Difference in milliseconds : " + Duration.between(inst1, inst2).toMillis()); System.out.println("Difference in seconds : " + Duration.between(inst1, inst2).getSeconds()); } } 结果: Inst1 : 2017-06-16T07:46:45.085Z Inst2 : 2017-06-16T07:46:55.085Z Difference ...
WithChronoUnit.DAYS, we specify that we calculate the the date difference in days. $ java Main.java 217 days 7 months 0 years Comparing LocalDate objects The following example shows how to compare dates. Main.java import java.time.LocalDate; void main() { LocalDate d1 = LocalDate.of(202...
您似乎将日期/时间作为字符串存储在task对象中，并使用"yyyy-MM-dd hh:mm:ss"格式在日期和字符串之间...
java月份是从0-11,月份设置时要减1. GregorianCalendar构造方法参数依次为:年,月-1,日,时,分,秒. 取日期的部分: Java代码 int year =calendar.get(Calendar.YEAR); int month=calendar.get(Calendar.MONTH)+1; int day =calendar.get(Calendar.DAY_OF_MONTH); ...
import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class DateDifferenceExample { public static void main(String[] args) { String startDateString = "2022-01-01"; String endDateString = "2022-01-10"; SimpleDateFormat format = new SimpleDateFormat...
This code will format the time in the French (fr) language and the France (FR) region: Output 11:03:01 Copy JavaSimpleDateFormat SimpleDateFormatis similar toDateFormat. The only major difference between them is thatSimpleDateFormatcan be used for formatting (DatetoStringconversion) and for ...
NSUnitPotentialDifference NSUnitIntegrationResistance NSUnitEnergy NSUnitFrequency NSUnitFuelEfficiency NSUnitIlluminance NSUnitLength NSUnitMass NSUnitPower NSUnitPressure NSUnitSpeed NSUnitTemperature NSUnitVolume NSUrl NSUrl_PromisedItems NSUrlAsyncResult NSUrlAuthenticationChallenge NSURLAuthenticationChallengeSen...
-- When several months, quarters, or years are added to the base -- year,1900-01-01, the returned day is the first day of a month. -- To calculate the last day of the current month, you need to -- -- 1. Find the difference in months between today and the base -- year (0...