import java.util.concurrent.TimeUnit;
2
3 public class TimeUnitDemo {
4 private TimeUnit timeUnit =TimeUnit.DAYS;
5
6 public static void main(String[] args) {
7 TimeUnitDemo demo = new TimeUnitDemo();
8 demo.outInfo();
9 demo.timeUnit =TimeUnit.HOURS;
10 demo.outInfo();
11 demo.timeUnit =TimeUnit.MINUTES;
12 demo.outInfo();
13 demo.timeUnit =TimeUnit.SECONDS;
14 demo.outInfo();
15 }
16
17 public void outInfo() {
18 System.out.println(timeUnit.name());
19 System.out.println(timeUnit.toDays(1));
20 System.out.println(timeUnit.toHours(1));
21 System.out.println(timeUnit.toMinutes(1));
22 System.out.println(timeUnit.toMicros(1));
23 System.out.println(timeUnit.toMillis(1));
24 System.out.println(timeUnit.toNanos(1));
25 System.out.println(timeUnit.toSeconds(1));
26 System.out.println("1天有"+(timeUnit.convert(1, TimeUnit.DAYS))+timeUnit.name());
27 System.out.println("12小时"+(timeUnit.convert(12, TimeUnit.HOURS))+timeUnit.name());
28 System.out.println("3600秒有"+(timeUnit.convert(36000, TimeUnit.MINUTES))+timeUnit.name());
29 System.out.println("-------------------");
30 }
31 }
32 －－－－－－－－－－－－－－－－－－－－－－－－－－
DAYS
1
24
1440
86400000000
86400000
86400000000000
86400
1天有1DAYS
24小时0DAYS
3600秒有25DAYS
-------------------
HOURS
0
1
60
3600000000
3600000
3600000000000
3600
1天有24HOURS
24小时12HOURS
3600秒有600HOURS
-------------------
MINUTES
0
0
1
60000000
60000
60000000000
60
1天有1440MINUTES
24小时720MINUTES
3600秒有36000MINUTES
-------------------
SECONDS
0
0
0
1000000
1000
1000000000
1
1天有86400SECONDS
24小时43200SECONDS
3600秒有2160000SECONDS
-------------------