更新时间:2023-02-02 23:29:08
也许不是您想要的那样漂亮……
Again perhaps not as pretty as you were looking for ...
public enum Flippable {
A, B, Z, Y;
static {
A.opposite = Z;
B.opposite = Y;
Y.opposite = B;
Z.opposite = A;
}
public Flippable flip() {
return opposite;
}
private Flippable opposite;
public static void main(String[] args) {
for(Flippable f : Flippable.values()) {
System.out.println(f + " flips to " + f.flip());
}
}
}