Java Date Time Java Java API
java.time.Duration
public long toDays()
package com.logicbig.example.duration;import java.time.Duration;import java.time.LocalDateTime;public class ToDaysExample { public static void main(String... args) { Duration d = Duration.between(LocalDateTime.now(), LocalDateTime.now().withYear(2018)); long days = d.toDays(); System.out.println(days); }}
365