30. 정수 나눗셈과 형 변환

1public class Main {
2    public static void main(String[] args) {
3        int a = 7;
4        int b = 2;
5        double c = a / b;
6        double d = (double) a / b;
7        int e = (int) 3.99;
8        int f = (int) d * b;
9        System.out.println(c);
10        System.out.println(d);
11        System.out.println(e + f);
12        System.out.println(a % b + "" + a / b);
13    }
14}