java基础入门---- Calendar对象

import java.util.*;/* * 1.获取任意年的二月有多少天    1.c.set(year，2,1) //某一年的3月1日     2.c.add(Calendar.DAY_OF_MONTH,-1) 往后退一天 * 2.获取昨天现在这个时刻   c.add(Calendar.DAY_OF_MONTH,-1) 往后退一天 * */class Calendar对象 {public static void sop(Object obj){System.out.println(obj);}public static void main(String[] args){Calendar c = Calendar.getInstance();//c.set(2012,2,3);c.add(Calendar.YEAR, 2);printCalendar(c);}public static void printCalendar(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",};sop(c.get(Calendar.YEAR)+"年");//sop(c.get(Calendar.MONTH)+1+"月");int index = c.get(Calendar.MONTH);sop(mon[index]);sop(c.get(Calendar.DAY_OF_MONTH)+"日");sop("星期"+(c.get(Calendar.DAY_OF_WEEK)-1));}}