java.time.ZonedDateTime.isSupported(TemporalUnit unit) java.time.ZonedDateTime.isSupported() 方法示例 java.time.ZonedDateTime.minus() 方法示例 java.time.ZonedDateTime.isSupported(TemporalUnit unit) package com.codingdict; import java.time.ZonedDateTime; import java.time.temporal.ChronoUnit; public class ZonedDateTimeDemo { public static void main(String[] args) { ZonedDateTime date = ZonedDateTime.parse("2017-03-28T12:25:38.492+05:30[Asia/Calcutta]"); System.out.println(date.isSupported(ChronoUnit.DAYS)); } } java.time.ZonedDateTime.isSupported() 方法示例 java.time.ZonedDateTime.minus() 方法示例