202. 참조 타입에 따른 필드와 메서드 선택

1class P {
2    int v = 3;
3 
4    int get() {
5        return v;
6    }
7}
8 
9class C extends P {
10    int v = 7;
11 
12    int get() {
13        return v * 2;
14    }
15}
16 
17public class Main {
18    public static void main(String[] args) {
19        P x = new C();
20        C y = (C) x;
21        System.out.println(x.v + " " + x.get());
22        System.out.println(y.v + " " + y.get());
23    }
24}