15 输入三个整数x,y,z，请把这三个数由小到大输出。

题目：输入三个整数x,y,z，请把这三个数由小到大输出。

 1     public class _015ThreeNumberSort {
 2 
 3     public static void main(String[] args) {
 4         while (true) {
 5             threeNumberSort();
 6         }
 7     }
 8 
 9     private static void threeNumberSort() {
10         int x, y, z;
11         Scanner in = new Scanner(System.in);
12         System.out.println("请输入第一个数:");
13         x = in.nextInt();
14         System.out.println("请输入第二个数:");
15         y = in.nextInt();
16         System.out.println("请输入第三个数:");
17         z = in.nextInt();
18 
19         numberSort(x, y, z);
20     }
21 
22     private static void numberSort(int x, int y, int z) {
23         int temp = 0;
24         if (x > y) {
25             temp = x;
26             x = y;
27             y = temp;
28         }
29         if (x > z) {
30             temp = x;
31             x = z;
32             z = temp;
33         }
34         if (y > z) {
35             temp = y;
36             y = z;
37             z = temp;
38         }
39 
40         System.out.println("三个数由小到大排列为:" + x + " " + y + " " + z);
41     }
42 
43 }