1 import java.util.Calendar;
2 /**
3 * 功能概述：计算指定年月的天数和周数<br>
4 * 创建时间：2010-5-17 下午05:25:58<br>
5 *
6 * @author <a href="mailto:hemingwang0902@126.com" mce_href="mailto:hemingwang0902@126.com">何明旺</a>
7 */
8 public class Test{
9 public static void main(String[] args) {
10 Calendar c = Calendar.getInstance();
11 c.set(Calendar.YEAR, 2010); // 2010年
12 c.set(Calendar.MONTH, 5); // 6 月
13 System.out.println("------------" + c.get(Calendar.YEAR) + "年" + (c.get(Calendar.MONTH) + 1) + "月的天数和周数-------------");
14 System.out.println("天数：" + c.getActualMaximum(Calendar.DAY_OF_MONTH));
15 System.out.println("周数：" + c.getActualMaximum(Calendar.WEEK_OF_MONTH));
16 }
17 }
原文：http://blog.csdn.net/a9529lty/article/details/6591799
