八大排序算法

    public static void sort(int[] arr) {
        int length = arr.length;
        for (int i = 1; i < length; i++) {
            for (int j = i; j > 0 && arr[j] < arr[j - 1]; j--) {
                int temp = arr[j];
                arr[j] = arr[j - 1];
                arr[j - 1] = temp;
            }
            System.out.print("第" + i + "次：");
            for (int k = 0; k < length; k++) {
                System.out.print(arr[k] + "，");
            }
            System.out.println();
        }
    }