CalendarDemo

package calendarDemo;
import java.util.*;
class CalendarDemo 
{
	public static void main(String[] args) 
	{
		Calendar c =Calendar.getInstance();
		show(c);
		//改變日期
		c.set(2011,2,4);
        show(c);
		
        //增減
		c.add(Calendar.YEAR,-1);
		  show(c);
	}
	//獲取日期
	public static void show(Calendar c)
	{
			String[] mon={"一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"};
		    String[] wk={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
		    
		    sop(c.get(Calendar.YEAR)+"年");
		    int index=c.get(Calendar.MONTH);
		    sop(mon[index]);
		    sop(c.get(Calendar.DAY_OF_MONTH)+"日");
            int index2=c.get(Calendar.DAY_OF_WEEK);
		    sop(wk[index2]);
     }
	public static void sop(Object obj)
	{
		System.out.println(obj);
	}
}