java.time.Year.atMonthDay(MonthDay monthDay) 方法示例 java.time.Year.atMonth(Month month) java.time.Year.isLeap() java.time.Year.atMonthDay(MonthDay monthDay) 方法示例 package com.codingdict; import java.time.LocalDate; import java.time.MonthDay; import java.time.Year; public class YearDemo { public static void main(String[] args) { Year year = Year.of(2015); MonthDay monthDay = MonthDay.of(12,26); LocalDate date = year.atMonthDay(monthDay); System.out.println(date); } } java.time.Year.atMonth(Month month) java.time.Year.isLeap()