3 水仙花数

 1      @SuppressWarnings({"rawtypes","unchecked"})
 2 public class _003ShuiXianFlower {
 3     public static int b, s, g;
 4 
 5     public boolean isDaffodilNumber(int i) {
 6         boolean flag = false;
 7         // 个位数
 8         g = i % 10;
 9         // 十位数
10         s = (i / 10) % 10;
11         // 百位数
12         b = i / 100;
13 
14         if (i == ((g * g * g) + (s * s * s) + (b * b * b))) {
15             flag = true;
16         }
17         return flag;
18     }
19 
20     public static void countFlower() {
21         int x = 0;
22         Vector v = new Vector();
23         _003ShuiXianFlower db = new _003ShuiXianFlower();
24         for (int i = 100; i < 1000; i++) {
25             if (db.isDaffodilNumber(i) == true) {
26                 v.add(i);
27                 x++;
28             }
29         }
30         System.out.println("100到1000之间有" + x + "个水仙花数");
31         System.out.println("所有的水仙花数为:" + v);
32     }
33 
34     public static void main(String[] args) {
35         countFlower();
36     }
37 }