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。

    public class _015ThreeNumberSort {

    public static void main(String[] args) {
        while (true) {
            threeNumberSort();
        }
    }

    private static void threeNumberSort() {
        int x, y, z;
        Scanner in = new Scanner(System.in);
        System.out.println("请输入第一个数:");
        x = in.nextInt();
        System.out.println("请输入第二个数:");
        y = in.nextInt();
        System.out.println("请输入第三个数:");
        z = in.nextInt();

        numberSort(x, y, z);
    }

    private static void numberSort(int x, int y, int z) {
        int temp = 0;
        if (x > y) {
            temp = x;
            x = y;
            y = temp;
        }
        if (x > z) {
            temp = x;
            x = z;
            z = temp;
        }
        if (y > z) {
            temp = y;
            y = z;
            z = temp;
        }

        System.out.println("三个数由小到大排列为:" + x + " " + y + " " + z);
    }

}