Closed FantasqueX closed 1 year ago
I have figured out the problem. The declaring class of an interface method may be a normal class. A simple reproduction example is list below.
interface Number {
int get();
}
public class MyTest {
public static void main(String[] args) {
Number n = new One();
n.get();
}
}
class Zero implements Number {
public int get() {
return 0;
}
}
class One implements Number {
public int get() {
return 1;
}
}
class Two implements Number {
public int get() {
return 2;
}
}
class Three extends Two {
@Override
public int get() {
return 3;
}
}
Hi! Can anyone provide more tips about test cases of A2.
It seems that I do something wrong on CHA, however, I have no idea where I make mistakes. Any suggestion is welcome. Thanks in advance. :)