Method main

src/main/java/com/crossoverjie/algorithm/HappyNum.java:58–66

(String[] args)

    public static void main(String[] args) {
        int num = 345;
        int i = num % 10;
        int i1 = num / 10;
        int i2 = i1 / 10;
        System.out.println(i);
        System.out.println(i1);
        System.out.println(i2);
    }
}