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java日曆類Calendar簡單使用
部落格分類:
Java代碼
- import java.util.Calendar;
- import java.util.TimeZone;
-
- public class Test1 {
-
- public static void main(String[] args) {
-
- //指定東八區,即北京時間
- Calendar cc = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"));
- int year = cc.get(Calendar.YEAR);
-
- //月份是從0開始計數的,所以此處進行加1
- int month = cc.get(Calendar.MONTH)+1;
- int day = cc.get(Calendar.DAY_OF_MONTH);
-
- int hour_8 = cc.get(Calendar.HOUR);//8小時制
- int hour_24 = cc.get(Calendar.HOUR_OF_DAY);//24小時制
-
- int minute = cc.get(Calendar.MINUTE);
- int second = cc.get(Calendar.SECOND);
-
- //需減一(西方一周的第一天是周日)
- int weekday = cc.get(Calendar.DAY_OF_WEEK)-1;
-
- //8小時制輸出
- System.out.println(year+"-"+month+"-"+day+" "+hour_8+":"+minute+":"+second+" 星期"+weekday);
-
- //24小時制輸出
- System.out.println(year+"-"+month+"-"+day+" "+hour_24+":"+minute+":"+second+" 星期"+weekday);
- }
- }
輸出結果:
Java代碼
- 2012-3-16 3:24:24 星期5
- 2012-3-16 15:24:24 星期5