java 数组冒泡排序

public class Test04 {
    public static void main(String[] args) {
        int[] num = new int[]{12, 4, 56, 37, 34, 2};
        System.out.println("原数组：" + Arrays.toString(num));
        System.out.println();
        for (int i = 0; i < num.length - 1; i++) {
            for (int j = 0; j < num.length - 1 - i; j++) {
                int t;
                //若果num[j]>num[j+1],则两个数交换位置，把较大的放到后面，较小的放到前面
                if (num[j] > num[j + 1]) {
                    t = num[j];
                    num[j] = num[j + 1];
                    num[j + 1] = t;
                }
            }
            
            System.out.println("第" + (i + 1) + "趟：" + Arrays.toString(num));
        }
        System.out.println("最后比较结果：");
        System.out.println(Arrays.toString(num));
    }
}