Import java.util.Date; public class DateDemo01 { public static void main (String args []) { Date DATE = new new Date (); // instantiated directly Date object System.out.println ( "the current date:" + DATE); } };
import java.util.* ; public class DateDemo02{ public static void main(String args[]){ Calendar calendar = new GregorianCalendar(); // 实例化Calendar类对象 System.out.println("YEAR: " + calendar.get(Calendar.YEAR)); System.out.println("MONTH: " + (calendar.get(Calendar.MONTH) + 1)); System.out.println("DAY_OF_MONTH: " + calendar.get(Calendar.DAY_OF_MONTH)); System.out.println("HOUR_OF_DAY: " + calendar.get(Calendar.HOUR_OF_DAY)); System.out.println("MINUTE: " + calendar.get(Calendar.MINUTE)); System.out.println("SECOND: " + calendar.get(Calendar.SECOND)); System.out.println("MILLISECOND: " + calendar.get(Calendar.MILLISECOND)); } };