可以使用isSupported()
Java中LocalTime类中的方法来检查LocalTime类是否支持ChronoUnit 。此方法需要一个参数,即ChronoUnit进行检查。如果LocalTime类支持ChronoUnit,则返回true,否则返回false。
演示此的程序如下所示-
import java.time.*; import java.time.temporal.*; public class Demo { public static void main(String[] args) { LocalTime lt = LocalTime.now(); System.out.println("The LocalTime is: " + lt); boolean flag = lt.isSupported(ChronoUnit.HOURS); if(flag) System.out.println("The ChronoUnit HOURS is supported"); else System.out.println("The ChronoUnit HOURS is not supported"); } }
输出结果
The LocalTime is: 07:09:42.262 The ChronoUnit HOURS is supported
现在让我们了解上面的程序。
首先,显示当前的LocalTime对象。然后,isSupported()
使用该方法检查LocalTime类是否支持ChronoUnit HOURS。返回的值存储在标志中,并打印相应的响应。演示这的代码片段如下-
LocalTime lt = LocalTime.now(); System.out.println("The LocalTime is: " + lt); boolean flag = lt.isSupported(ChronoUnit.HOURS); if(flag) System.out.println("The ChronoUnit HOURS is supported"); else System.out.println("The ChronoUnit HOURS is not supported");