java.time.DayOfWeek.isSupported() 方法示例

package com.codingdict;

import java.time.DayOfWeek;
import java.time.temporal.ChronoField;

public class DayOfWeekDemo {
   public static void main(String[] args) {

      DayOfWeek day = DayOfWeek.of(3);
      boolean result = day.isSupported(ChronoField.DAY_OF_WEEK);
      System.out.println(result);  
   }
}