java日历类Calendar简单使用

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    import java.util.Calendar;      import java.util.TimeZone;            public class Test1 {                public static void main(String[] args) {                            //指定东八区，即北京时间              Calendar cc = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"));              int year = cc.get(Calendar.YEAR);                            //月份是从0开始计数的，所以此处进行加1              int month = cc.get(Calendar.MONTH)+1;              int day = cc.get(Calendar.DAY_OF_MONTH);                            int hour_8 = cc.get(Calendar.HOUR);//8小时制              int hour_24 = cc.get(Calendar.HOUR_OF_DAY);//24小时制                            int minute = cc.get(Calendar.MINUTE);              int second = cc.get(Calendar.SECOND);                            //需减一（西方一周的第一天是周日）              int weekday = cc.get(Calendar.DAY_OF_WEEK)-1;                            //8小时制输出              System.out.println(year+"-"+month+"-"+day+" "+hour_8+":"+minute+":"+second+" 星期"+weekday);                            //24小时制输出              System.out.println(year+"-"+month+"-"+day+" "+hour_24+":"+minute+":"+second+" 星期"+weekday);          }      }

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