importjava.time.LocalDate;// 导入LocalDate类importjava.time.temporal.ChronoUnit;// 导入ChronoUnit类用于计算日期之间的差异publicclassDaysBetweenDates{publicstaticvoidmain(String[]args){LocalDatedate1=LocalDate.of(2023,1,1);// 创建第一个日期LocalDatedate2=LocalDate.of(2023,12,31);// 创建第二个日...
DateendDate){longdifference=Math.abs(startDate.getTime()-endDate.getTime());return(int)(difference/(24*60*60*1000));}publicstaticvoidmain(String[]args){DatestartDate=newDate(2022,5,1);DateendDate=newDate(2022,5,10);intdays=daysBetweenDates(startDate,endDate);System.out.println("Days b...
import java.time.temporal.ChronoUnit;public class DaysBetweenDates { public static void main(String[]...
If you are not running on Java 8, then there are two ways to calculate the difference between two dates in Java in days, either by using standard JDK classes e.g.java.util.Date andjava.util.Calendar or by using the joda-time library. Unfortunately, Java's old Date and Calendar API is...
();18}19for(Date date = dates[0]; date.compareTo(dates[1]) <= 0; ) {20cal.setTime(date);21if(cal.get(Calendar.DAY_OF_WEEK) - 1 ==weekDays) {22String format =sd.format(date);23dateResult.add(format);24}25cal.add(Calendar.DATE, 1);26date =cal.getTime();27}28returndate...
(); long numOfDays = ChronoUnit.DAYS.between(startDate, endDate); for (int i = 0; i <= numOfDays; i++) { LocalDate date = startDate.plusDays(i); dates.add(date); } return dates; } public static void main(String[] args) { LocalDate startDate = LocalDate.of(2022, 1, 1)...
importjavax.persistence.EntityManager;importjavax.persistence.Query;importjava.util.Date;importjava.util.List;publicclassDateRangeExample{publicList<Entity>getEntitiesBetweenDates(DatestartDate,DateendDate){EntityManagerentityManager=// 获取EntityManager实例Stringjpql="SELECT e FROM Entity e WHERE e.date BETWEE...
Date();Date d1=df.parse(end_date);long time0=d0.getTime();long time1=d1.getTime();System.out.println((time1-time0)/(1000*60*60*24));这样算两个时间相差的天数比较好代码如下 复制代码/计算两个日期之间相差的天数param date1param date2return/public static int diffdates(...
2.1. Using java.util.Date to Find the Difference in Days Let’s start by using the core Java APIs to do the calculation and determine the number of days between the two dates: @Test public void givenTwoDatesBeforeJava8_whenDifferentiating_thenWeGetSix() throws ParseException { SimpleDateFo...
Write a Java program to compute the difference between two dates (years, months, days). Sample Solution: Java Code: importjava.time.*;importjava.util.*;publicclassExercise1{publicstaticvoidmain(String[]args){LocalDatepdate=LocalDate.of(2012,01,01);LocalDatenow=LocalDate.now();Perioddiff=Per...