Java程序将在2019年的每个月的最后一天获得星期几
对于每个月的最后一天，请首先为一周中的某天创建一个列表集合-
List<DayOfWeek>dayOfWeek = new ArrayList<>();
现在，获取2019年每个月的最后一天的星期几，使用withYear()设置年份，并使用lastDayOfMonth()和getDayOfWeek方法-
for (Month m: Month.values()) {
DayOfWeek days = LocalDate.now().withYear(2019).with(m).with(TemporalAdjusters.lastDayOfMonth()).getDayOfWeek();
}示例
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.Month;
import java.time.temporal.TemporalAdjusters;
import java.util.ArrayList;
import java.util.List;
public class Demo {
public static void main(String[] argv) {
List<DayOfWeek>dayOfWeek = new ArrayList<>();
for (Month m: Month.values()) {
DayOfWeek days = LocalDate.now().withYear(2019).with(m).with(TemporalAdjusters.lastDayOfMonth()).getDayOfWeek();
dayOfWeek.add(days);
}
System.out.println("Last day of each month in 2019 = "+dayOfWeek);
}
}输出结果
Last day of each month in 2019 = [THURSDAY, THURSDAY, SUNDAY, TUESDAY, FRIDAY, SUNDAY, WEDNESDAY, SATURDAY, MONDAY, THURSDAY, SATURDAY, TUESDAY]
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