Converted into a number smaller than any of its binary (java version)

//进制转换
public class RadixChange1 {
    public static void main(String[] args) {
        Scanner can = new Scanner(System.in);

        try {
            String strs = can.nextLine();
            //将输入的字符串转换成数字，存放到数组中
            int[] nums = parseToIntArrs(strs);

            //进制转换数组中的每个数
            getResult(nums);
        }finally{
            can.close();
        }
    }

    //进制转换数组中的每个数
    private static void getResult(int[] nums) {
        //循环开始依次转换
        for (int i : nums) {
            changeNums(i);
        }

    }

    //从2开始到i-1依次转换
    private static void changeNums(int i) {
        int num = 0;
        for (int j = 2; j < i; j++) {
            toJRadix(i,j);
        }
    }

    /*
     * 把数字num转化为j进制,得到转换结果的位数
     */
    private static int toJRadix(int num,int j) {
        StringBuffer sb = new StringBuffer();
        int sum = 0;

        while(num != 0){
            int yu = num%j;
            sb.append(yu);
            sum += num%j;
            num /= j;
        }

        System.out.println(j + "-------" + sb.reverse().toString());
        return sum;
    }

    private static int[] parseToIntArrs(String strs) {
        String[] sts =strs.split(" ");
        int[] is = new int[sts.length]; 

        for (int i = 0; i < sts.length; i++) {
            is[i] = Integer.parseInt(sts[i]);
        }
        return is;
    }
}