Java 中的临时调整持续时间()方法，示例
原文:https://www . geeksforgeeks . org/temporaladjasters-lastin month-method-in-Java-with-examples/
时间调整器类的 lastInMonth(DayOfWeek) 方法用于返回一个时间调整器对象，该对象可用于获取一个新的 date 对象，该对象是同一个月的最后一个日期，其匹配的 DayOfWeek 作为参数从应用此时间调整器的任何 Date 对象中传递。
语法:
public static TemporalAdjuster lastInMonth(DayOfWeek dayOfWeek)
参数:该方法接受日期/星期，可用于获取一个新的日期对象，该对象是具有相同匹配日期/星期的同一个月的最后一个日期。
返回值:此方法返回月内最后一个调整器，不为空。
下面的程序说明了临时调整.最后一个月()方法: 程序 1:
// Java program to demonstrate
// TemporalAdjusters.lastInMonth()
import java.time.*;
import java.time.temporal.*;
public class GFG {
public static void main(String[] args)
{
// get TemporalAdjuster with
// the last in month adjuster
TemporalAdjuster temporalAdjuster
= TemporalAdjusters.lastInMonth(
DayOfWeek.SUNDAY);
// using adjuster for local date-time
LocalDate localDate
= LocalDate.of(1998, 10, 31);
LocalDate lastInMonth
= localDate.with(temporalAdjuster);
// print
System.out.println(
"last date in month having"
+ " sunday for localdate "
+ localDate + " is: "
+ lastInMonth);
}
}
Output:
last date in month having sunday for localdate 1998-10-31 is: 1998-10-25
程序 2:
// Java program to demonstrate
// TemporalAdjusters.lastInMonth() method
import java.time.*;
import java.time.temporal.*;
public class GFG {
public static void main(String[] args)
{
// get TemporalAdjuster with
// the last in month adjuster
TemporalAdjuster temporalAdjuster
= TemporalAdjusters.lastInMonth(
DayOfWeek.TUESDAY);
// using adjuster for local date time
LocalDate localDate
= LocalDate.of(2029, 12, 11);
LocalDate lastInMonth
= localDate.with(temporalAdjuster);
// print
System.out.println(
"The last date in a month "
+ "having TUESDAY for localdate "
+ localDate + " is: "
+ lastInMonth);
}
}
Output:
The last date in a month having TUESDAY for localdate 2029-12-11 is: 2029-12-25
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