Java ChronoUnit isTimeBased()用法及代码示例

ChronoUnit枚举的isTimeBased()方法用于检查此ChronoUnit是否为时间单位。从nanos到half-days的所有ChronoUnit都是基于时间的。

用法:

public boolean isTimeBased()

参数：此方法不接受任何内容。

返回值：如果使用时间单位，则此方法返回true；如果使用数据单位，则返回false。

以下示例程序旨在说明ChronoUnit.isTimeBased()方法：
程序1:

// Java program to demonstrate 
// ChronoUnit.isTimeBased() method 
  
import java.time.temporal.ChronoUnit; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // get ChronoUnit 
        ChronoUnit chronoUnit 
            = ChronoUnit.valueOf("NANOS"); 
  
        // apply isTimeBased() 
        boolean isTimeBasedAttribute 
            = chronoUnit.isTimeBased(); 
  
        // print 
        System.out.println( 
            "NANOS"
            + " is Date based attribute:"
            + isTimeBasedAttribute); 
    } 
}

输出：

NANOS is Date based attribute:true

程序2:

// Java program to demonstrate 
// ChronoUnit.isTimeBased() method 
  
import java.time.temporal.ChronoUnit; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // get ChronoUnit 
        ChronoUnit chronoUnit 
            = ChronoUnit.valueOf("DAYS"); 
  
        // apply isTimeBased() 
        boolean isTimeBasedAttribute 
            = chronoUnit.isTimeBased(); 
  
        // print 
        System.out.println( 
            "DAYS"
            + " is Date based attribute:"
            + isTimeBasedAttribute); 
    } 
}

输出：

DAYS is Date based attribute:false

参考：https：//docs.oracle.com/javase/10/docs/api/java/time/temporal/ChronoUnit.html#isTimeBased()

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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 ChronoUnit isTimeBased() 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。