public static void main(String[] args) {
        //1.整除法
        int m = 1234567;
        String count = m+"";
        int [] arr = new int[count.length()];

        for (int i=0;i<count.length();i++){
            arr[i]=m%10;
            m/=10;
        }

        for (int i=0;i<arr.length;i++) System.out.print(arr[i]+" ");
        System.out.println();


        //2.直接转换成数组
        int n=1234567;
        char[] chars=String.valueOf(n).toCharArray();
        for(int j=0;j<chars.length;j++){
            System.out.print(chars[j]+" ");
        }
    }