哈尔滨建设规划局网站,创造网站需要什么条件,asp.net官方网站,网站建设中应该注意什么WeekFields类的weekOfYear()方法用于返回一个字段#xff0c;以基于此WeekFields访问一年中的星期。例#xff1a;如果一年的第一天是星期一#xff0c;则第一周从第一天开始#xff0c;没有零周如果一年的第二天是星期一#xff0c;则第一周从第二天开始#xff0c;而第…WeekFields类的weekOfYear()方法用于返回一个字段以基于此WeekFields访问一年中的星期。例如果一年的第一天是星期一则第一周从第一天开始没有零周如果一年的第二天是星期一则第一周从第二天开始而第一天在零周如果一年中的第4天是星期一则第1周从第4周开始第1至第3周在零周开始如果一年中的第5天是星期一则第二周从第5周开始第1至第4周在第1周该字段可用于任何日历系统。用法:public TemporalField weekOfYear()参数此方法不接受任何内容。返回值此方法返回一个提供对week-of-year的访问权限的字段而不是null。以下示例程序旨在说明WeekFields.weekOfYear()方法程序1:// Java program to demonstrate// WeekFields.weekOfYear() methodimport java.time.DayOfWeek;import java.time.LocalDate;import java.time.temporal.TemporalField;import java.time.temporal.WeekFields;public class GFG {public static void main(String[] args){// create WeekFieldsWeekFields weekFields WeekFields.of(DayOfWeek.MONDAY, 1);// apply weekOfYear()TemporalField weekOfYear weekFields.weekOfYear();// create a LocalDateLocalDate day LocalDate.of(2021, 12, 21);// get week of year for localdateint wow day.get(weekOfYear);// print resultsSystem.out.println(Week of year for day : wow);}}输出Week of year for 2021-12-21:52程序2:// Java program to demonstrate// WeekFields.weekOfYear() methodimport java.time.DayOfWeek;import java.time.LocalDate;import java.time.temporal.TemporalField;import java.time.temporal.WeekFields;public class GFG {public static void main(String[] args){// create WeekFieldsWeekFields weekFields WeekFields.of(DayOfWeek.SUNDAY, 1);// apply weekOfYear()TemporalField weekOfYear weekFields.weekOfYear();// create a LocalDateLocalDate day LocalDate.of(2014, 10, 12);// get week of year for localdateint wow day.get(weekOfYear);// print resultsSystem.out.println(Week of year for day : wow);}}输出Week of year for 2014-10-12:42参考https//docs.oracle.com/javase/10/docs/api/java/time/temporal/WeekFields.html#weekOfYear()
