Java TemporalAdjusters firstDayOfNextYear()用法及代码示例

TemporalAdjusters类的firstDayOfNextYear()方法用于返回“明年第一天”的TemporalAdjuster对象，该对象将返回一个新的Date对象，该对象设置为明年的第一天。

用法:

public static TemporalAdjuster firstDayOfNextYear()

参数：此方法不接受任何内容。

返回值：此方法返回明年第一天调整器，不为null。

以下示例程序旨在说明TemporalAdjusters.firstDayOfNextYear()方法：
程序1:

// Java program to demonstrate 
// TemporalAdjusters.firstDayOfNextYear() 
  
import java.time.LocalDate; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // get TemporalAdjuster with first day 
        // of next year adjuster 
        TemporalAdjuster temporalAdjuster 
            = TemporalAdjusters.firstDayOfNextYear(); 
  
        // using adjuster for local date-time 
        LocalDate localDate 
            = LocalDate.of(2020, 05, 11); 
        LocalDate firstDayOfNextYear 
            = localDate.with(temporalAdjuster); 
  
        // print 
        System.out.println("First day of next "
                           + "year for localdate "
                           + localDate +":"
                           + firstDayOfNextYear); 
    } 
}

输出：

First day of next year for localdate 2020-05-11:2021-01-01

程序2:

// Java program to demonstrate 
// TemporalAdjusters.firstDayOfNextYear() 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 first day 
        // of next year adjuster 
        TemporalAdjuster temporalAdjuster 
            = TemporalAdjusters 
                  .firstDayOfNextYear(); 
  
        // using adjuster for local date-time 
        LocalDate localDate 
            = LocalDate.of(2010, 12, 29); 
        LocalDate firstDayOfNextYear 
            = localDate.with(temporalAdjuster); 
  
        // print 
        System.out.println("First day of next "
                           + "year for localdate:"
                           + localDate +":"
                           + firstDayOfNextYear); 
    } 
}

输出：

First day of next year for localdate:2010-12-29:2011-01-01

参考文献：https://docs.oracle.com/javase/10/docs/api/java/time/format/TemporalAdjusters.html

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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 TemporalAdjusters firstDayOfNextYear() 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。