方便人類閱讀的日期時間類別: java.time.LocalDate, java.time.LocalTime, java.time.LocalDateTime; java.time.Period
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| /* | |
| * To change this license header, choose License Headers in Project Properties. | |
| * To change this template file, choose Tools | Templates | |
| * and open the template in the editor. | |
| */ | |
| package javaplayground; | |
| import java.time.Duration; | |
| import java.time.Instant; | |
| import java.time.LocalDate; | |
| import java.time.LocalDateTime; | |
| import java.time.Period; | |
| /** | |
| * | |
| * @author user | |
| */ | |
| public class JavaPlayground { | |
| /** | |
| * @param args the command line arguments | |
| */ | |
| public static void main(String[] args) { | |
| // Time for machine to read | |
| Instant t = Instant.ofEpochSecond(3); | |
| System.out.println("Unix epoch time passing 3 seconds: " + t); | |
| Instant now = Instant.now(); | |
| System.out.println("Now:" + now); | |
| // Duration is the time for machine to read | |
| // Store the number of seconds or nanosecond from the unix epoch (1770-01-01T00:00:00) | |
| LocalDateTime d1 = LocalDateTime.of(2017, 9, 17, 0, 0); | |
| LocalDateTime d2 = LocalDateTime.of(2017, 9, 20, 0, 0); | |
| System.out.println("Duration: " + Duration.between(d1, d2).getSeconds() + "Seconds"); | |
| // Period is the time for human to read | |
| // Handle amount of time in terms of years, months, and days | |
| LocalDate d3 = LocalDate.of(2017, 9, 17); | |
| LocalDate d4 = LocalDate.of(2018, 9, 20); | |
| System.out.println("Period:" + Period.between(d3, d4)); | |
| } | |
| } |
