Java 中的 ChronoLocalDate 减(long，TemporalUnit)方法，示例
原文:https://www . geeksforgeeks . org/chronolocaldata-minlong-tempalalunit-method-in-Java-with-examples/
一个计时日期接口的减(长，时间单位)方法，用于返回该计时日期的一个副本，其中指定数量的单位减去计时日期。如果由于不支持该单位或其他原因而无法减去该金额，则会引发异常。
语法:
public ChronoLocalDate minus(long amountToSubtract,
TemporalUnit unit)
参数:此方法接受两个参数:
- Amount to Subtract: is the amount of unit pair result to be subtracted, which may be a negative number.
- Unit: is the amount of unit to be subtracted.
返回值:该方法根据该日期时间减去指定的金额返回时间地点日期。
异常:此方法抛出以下异常:
- Abnormal date and time : If subtraction is not possible,
- does not support : if the company is not supported
- Arithmetic exception : If there is a numerical overflow,
下面的程序说明了减()方法:
程序 1:
// Java program to demonstrate
// ChronoLocalDate.minus() method
import java.time.*;
import java.time.temporal.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] args)
{
// create a ChronoLocalDate object
ChronoLocalDate zonedlt
= LocalDate.parse("2018-12-06");
// subtract 12 Years to ChronoLocalDate
ChronoLocalDate value
= zonedlt.minus(12, ChronoUnit.YEARS);
// print result
System.out.println("ChronoLocalDate after "
+ "subtracting Months: "
+ value);
}
}
输出:
ChronoLocalDate after subtracting Months: 2006-12-06
参考文献:T2
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