public class PaiXu1 {
    public static void main(String[] args) {
        int[] s = {345,879,456,870,221,902,148,234,478};
        System.out.println("排序之前:");
        System.out.println(Arrays.toString(s));
        System.out.println("排序之后：");
        int temp = 0;
        for (int i = 0;i < s.length-1;i++){
            for (int j = 0;j < s.length-1-i;j++){
                if (s[j]>s[j+1]){
                    temp = s[j];
                    s[j] = s[j+1];
                    s[j+1] = temp;
                }
            }
        }
        System.out.println(Arrays.toString(s));
    }
}