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public interface InterestingEvent {
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}
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public class CallMe implements InterestingEvent {
public CallMe() {
¡¡¡¡ }
¡¡¡¡ public void interestingEvent() {
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¡¡¡¡}
}
public class CallYou implements InterestingEvent {
public CallYou() {
¡¡ }
public void interestingEvent() {
System.out.println("·¢ÉúÁËCallYouʼþ£¬¹þ¹þ");
}
}
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public class EventNotifier {
private InterestingEvent ie; //½Ó¿Ú¶ÔÏóÒýÓÃ
private boolean somethingHappened ;
public EventNotifier() {
somethingHappened = true ;
}
public void setInterestingEvent(InterestingEvent ie){ //²ÎÊýÒýÓø½Öµ
this.ie = ie ;
}
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