import java.util.Calendar;

 /**

  * 功能概述：计算指定年月的天数和周数<br>

  * 创建时间：2010-5-17 下午05:25:58<br>

  *

  * @author <a href="mailto:hemingwang0902@126.com" mce_href="mailto:hemingwang0902@126.com">何明旺</a>

  */

 public class Test{

     public static void main(String[] args) {

         Calendar c = Calendar.getInstance();

         c.set(Calendar.YEAR, 2010); // 2010年

         c.set(Calendar.MONTH, 5); // 6 月

         System.out.println("------------" + c.get(Calendar.YEAR) + "年" + (c.get(Calendar.MONTH) + 1) + "月的天数和周数-------------");

         System.out.println("天数：" + c.getActualMaximum(Calendar.DAY_OF_MONTH));

         System.out.println("周数：" + c.getActualMaximum(Calendar.WEEK_OF_MONTH));

     }

 }