Ugo Posada
Posts: 37
Nickname: binaryx
Registered: Dec, 2002
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Re: WindError.java solution(s)
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Posted: Jan 18, 2003 7:44 PM
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> I understand that the following source demonstrates that
> an override was intended but inadvertently an overload was
> implemented. How does one fix the problem?
>
> //: c07:WindError.java
> // Accidentally changing the interface.
>
> class NoteX {
> public static final int
> MIDDLE_C = 0, C_SHARP = 1, C_FLAT = 2;
> }
>
> class InstrumentX {
> public void play(int NoteX) {
> System.out.println("InstrumentX.play()");
> }
> }
>
> class WindX extends InstrumentX {
> // OOPS! Changes the method interface:
> public void play(NoteX n) {
> System.out.println("WindX.play(NoteX n)");
> }
> }
class WindX extends InstrumentX {
// OOPS! Changes the method interface:
public void play(int NoteX) {
System.out.println("super.play(n)");
}
}
However, I think the method parameter should be of type NoteX instead of int (In InstrumentX).
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