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Message:

Good Point

Posted by Bill Venners on 02 Sep 1998, 5:25 PM

> Wouldn't this be more likely?

> class Person {
> public void listenToPhone(Telephone t) {
> t.addTelephoneListener(
> new TelephoneAdapter() {
> public void telephoneRang(TelephoneEvent e) {
> System.out.println("I'll get it!");
> ((Telephone)e.getSource()).answerPhone();
> }
> }
> );
> }
> }

> class AnsweringMachine implements TelephoneListener {
> private int count = 0;
> public void telephoneRang(TelephoneEvent e) {
> System.out.println("AM hears the phone ringing.");
> if(count > 4) {
> ((Telephone)e.getSource()).answerPhone();
> }
> count++;
> }
> public void telephoneAnswered(TelephoneEvent e) {
> System.out.println("AM sees that the phone was answered.");
> count = 0;
> }
> }

> Your example has the phone answering itself.

Yes, except we'd probably want the answering machine to have
some time limit between rings. If someone calls up and rings
twice, then hangs up, the next call won't be answered after
two more rings.

By the way, to enter code into this forum without the indentation
being lost, just surround it with

 and 

bv