java日期遍历详解编程语言

import java.text.DateFormat; 
import java.text.SimpleDateFormat; 
import java.util.Calendar; 
import java.util.Date; 
 
 
public class Test0003 { 
     
    public static void main(String args[]) { 
        //请注意月份是从0-11 
        Calendar start = Calendar.getInstance(); 
        start.set(2014,2, 1); 
        Calendar end = Calendar.getInstance(); 
        end.set(2014, 3, 1); 
         
        int sumSunday = 0; 
        int sumSat = 0; 
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); 
        while(start.compareTo(end) <= 0) { 
            int w = start.get(Calendar.DAY_OF_WEEK); 
            if(w == Calendar.SUNDAY) 
                sumSunday ++; 
            if(w == Calendar.SATURDAY) 
            sumSat ++; 
            //打印每天 
            System.out.println(format.format(start.getTime())); 
            //循环，每次天数加1 
            start.set(Calendar.DATE, start.get(Calendar.DATE) + 1); 
        } 
        System.out.println("星期天总数为:" + sumSunday); 
 
        System.out.println("星期六总数为:" + sumSat); 
 
} 
 
}