Java 中的临时调整器 lastDayOfYear()方法，带示例
原文:https://www . geeksforgeeks . org/temporaladjasters-lastdayofyear-method-in-Java-with-examples/
临时调整类的last day fyeear()方法用于返回“一年中的最后一天”临时调整对象，该对象返回设置为一年中最后一天的新的 Date 对象。
语法:
public static TemporalAdjuster lastDayOfYear()
参数:此方法不接受任何内容。
返回值:此方法返回年度调整器的最后一天，不为空。
下面的程序说明了临时调整时间的方法: 程序 1:
// Java program to demonstrate
// TemporalAdjusters.lastDayOfYear()
import java.time.LocalDate;
import java.time.temporal.TemporalAdjuster;
import java.time.temporal.TemporalAdjusters;
public class GFG {
public static void main(String[] args)
{
// get TemporalAdjuster with last day
// of the year adjuster
TemporalAdjuster temporalAdjuster
= TemporalAdjusters.lastDayOfYear();
// using adjuster for local date time
LocalDate localDate
= LocalDate.of(2023, 10, 11);
LocalDate lastDayOfYear
= localDate.with(temporalAdjuster);
// print
System.out.println("last day of the "
+ "year for localdate "
+ localDate + ": "
+ lastDayOfYear);
}
}
Output:
last day of the year for localdate 2023-10-11: 2023-12-31
程序 2:
// Java program to demonstrate
// TemporalAdjusters.lastDayOfYear() method
import java.time.LocalDate;
import java.time.temporal.TemporalAdjuster;
import java.time.temporal.TemporalAdjusters;
public class GFG {
public static void main(String[] args)
{
// get TemporalAdjuster with last day
// of year adjuster
TemporalAdjuster temporalAdjuster
= TemporalAdjusters.lastDayOfYear();
// using adjuster for local date time
LocalDate localDate
= LocalDate.of(2099, 12, 29);
LocalDate lastDayOfYear
= localDate.with(temporalAdjuster);
// print
System.out.println("last day of "
+ "year for localdate "
+ localDate + ": "
+ lastDayOfYear);
}
}
Output:
last day of year for localdate 2099-12-29: 2099-12-31
参考文献:https://docs . Oracle . com/javase/10/docs/API/Java/time/format/temporalaadjusters . html
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