如何获得系统时间？

Question

Date tim;
tim=new Date();

Answer 1

new Date(System.currentTimeMillis());

Answer 2

Calendar todaysDate = new GregorianCalendar();
year = todaysDate.get(Calendar.YEAR);
month = todaysDate.get(Calendar.MONTH) + 1;
day = todaysDate.get(Calendar.DAY_OF_MONTH);
hourOfDay = todaysDate.get(Calendar.HOUR_OF_DAY);  // 24小时制
hour = todaysDate.get(Calendar.HOUR);         // 12小时制
minute = todaysDate.get(Calendar.MINUTE);
second = todaysDate.get(Calendar.SECOND);

Answer 3

忘了告诉你了
要先 import java.util.*; 
Good Luck ！