java 冒泡 代码

public static void main(String[] args) {
        System.out.println("十个数");
        Scanner scanner = new Scanner(System.in);
        int num;
        ArrayList arrayList = new ArrayList();
        for (int i = 0; i <10 ; i++) {
            num = scanner.nextInt();
            arrayList.add(num);
        }
        for (int i = 0; i < arrayList.size()-1; i++) {
            for (int j = 0; j < arrayList.size()-i-1; j++) {
                int list1 = Integer.valueOf(arrayList.get(j).toString());
                int list2 = Integer.valueOf(arrayList.get(j+1).toString());
                if (list1 > list2){
                    arrayList.set((j+1),list1);
                    arrayList.set(j,list2);
                }
            }
        }
        System.out.println(arrayList.toString());
    }