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Java MonthDay adjustInto()用法及代码示例


MonthDay类的adjustInto()方法用于将传递的时间对象调整为具有应用此方法的MonthYear。此实例是不可变的,不受此方法调用的影响。

用法:

public Temporal adjustInto(Temporal temporal)

参数:该方法接受时间作为参数,该时间是要调整的目标时间对象。它不能为空。


返回值:此方法返回调整后的对象。

异常:此方法引发以下异常:

  • DateTimeException–如果无法进行调整。
  • ArithmeticException–如果无法进行调整。

以下示例程序旨在说明adjustInto()方法:
示例1:

// Java program to demonstrate 
// MonthDay.adjustInto() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // create a MonthDay object 
        MonthDay mday = MonthDay.of(10, 31); 
  
        // print instance 
        System.out.println("MonthDay :"
                           + mday); 
  
        // create a temporal object 
        LocalDate date 
 = LocalDate.parse("2007-12-03"); 
  
        // print instance 
        System.out.println("LocalDate :"
                           + date); 
  
        // apply adjustInto method of Year class 
        LocalDate updatedlocal 
 = (LocalDate)mday.adjustInto(date); 
  
        // print instance 
        System.out.println("LocalDate after"
                           + " applying adjustInto method: "
                           + updatedlocal); 
    } 
}
输出:
MonthDay :--10-31
LocalDate :2007-12-03
LocalDate after applying adjustInto method: 2007-10-31

示例2:

// Java program to demonstrate 
// MonthDay.adjustInto() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // create a MonthDay object 
        MonthDay mday = MonthDay.of(12, 22); 
  
        // print instance 
        System.out.println("MonthDay :"
                           + mday); 
  
        // create a temporal object 
        LocalDate date 
 = LocalDate.parse("2017-12-03"); 
  
        // print instance 
        System.out.println("LocalDate :"
                           + date); 
  
        // apply adjustInto method of Year class 
        LocalDate updatedlocal  
= (LocalDate)mday.adjustInto(date); 
  
        // print instance 
        System.out.println("LocalDate after"
                           + " applying adjustInto method: "
                           + updatedlocal); 
    } 
}
输出:
MonthDay :--12-22
LocalDate :2017-12-03
LocalDate after applying adjustInto method: 2017-12-22

参考文献: https://docs.oracle.com/javase/10/docs/api/java/time/MonthDay.html#adjustInto(java.time.temporal.Temporal)



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注:本文由纯净天空筛选整理自AmanSingh2210大神的英文原创作品 MonthDay adjustInto() method in Java with Examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。