java获取系统时间

java获取系统时间代码

Date d = new Date();

long s = System.currentTimeMillis();

Calendar c=Canlendar.getInstance();

结果如下

System.out.println(d);
System.out.println(s);
System.out.println(c);

Tue Aug 28 10:35:45 CST 2012
1346121345400
java.util.GregorianCalendar[time=1346121345668,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id="Asia/Shanghai",offset=28800000,dstSavings=0,useDaylight=false,transitions=19,lastRule=null],firstDayOfWeek=1,minimalDaysInFirstWeek=1,ERA=1,YEAR=2012,MONTH=7,WEEK_OF_YEAR=35,WEEK_OF_MONTH=5,DAY_OF_MONTH=28,DAY_OF_YEAR=241,DAY_OF_WEEK=3,DAY_OF_WEEK_IN_MONTH=4,AM_PM=0,HOUR=10,HOUR_OF_DAY=10,MINUTE=35,SECOND=45,MILLISECOND=668,ZONE_OFFSET=28800000,DST_OFFSET=0]