-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTest.java
More file actions
55 lines (46 loc) · 1.36 KB
/
Test.java
File metadata and controls
55 lines (46 loc) · 1.36 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
package Date;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/*
*
* java.util.Date
*
* Calendar
* */
public class Test {
public static void main(String[] args) {
Date date1=new Date();
long now=System.currentTimeMillis();
System.out.println("当前时间整数："+now);
Date date2=new Date(now);
System.out.println("返回格林威治的时间："+date2.toGMTString());
//重新覆盖时间
date2.setTime(232323232);
//getTime返回整形的数
System.out.println(date2.getTime());
DateFormat dateFormat=new SimpleDateFormat("yyyy-MM-dd hh-mm-ss,本年的第w周，本月的第W周");
Date date=new Date(now);
//Date--->String
String string=dateFormat.format(date);
System.out.println(string);
try {
//String-->Date
Date date3=dateFormat.parse("2017-08-22 10-26-59,本年的第34周，本月的第4周");
System.out.println(date3);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Calendar calendar=new GregorianCalendar();
calendar.set(2017, 3, 10);
System.out.println("设置日历的年："+calendar.get(Calendar.YEAR));
//覆盖
calendar.setTime(new Date());
Date date3=calendar.getTime();
System.out.println(date3);
}
}