java.time.LocalDate.isSupported() 方法示例 java.time.LocalDate.isLeapYear() 方法示例 java.time.LocalDate.isSupported(TemporalUnit unit) java.time.LocalDate.isSupported() 方法示例 package com.codingdict; import java.time.LocalDate; import java.time.temporal.ChronoField; public class LocalDateDemo { public static void main(String[] args) { LocalDate date = LocalDate.parse("2020-02-03"); System.out.println(date.isSupported(ChronoField.ERA)); } } java.time.LocalDate.isLeapYear() 方法示例 java.time.LocalDate.isSupported(TemporalUnit unit)