需求：拆分三位数，把个位、十位、百位分别输出

public class Test3 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入一个三位数：");
        int num = scanner.nextInt();
        int ge = num % 10;
        int shi = num / 10 % 10;
        int bai = num /100;
        System.out.println("个位是：" + ge + ",十位是:" + shi + ",百位是：" + bai);
    }
}