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);      }  }  

2012-3-16 3:24:24 星期5  2012-3-16 15:24:24 星期5