java.time.LocalDateTime.withDayOfYear() 方法示例

package com.codingdict;

import java.time.LocalDateTime;

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

      LocalDateTime date = LocalDateTime.parse("2017-01-03T10:15:30");
      LocalDateTime result = date.withDayOfYear(43);
      System.out.println(result);  
   }
}