Answers for "which of the following describes the observer pattern correctly? in java"

observer pattern java

class JPanelSignal extends JPanel implements Observer {

  void init(Signal lSigAObserver) {
    lSigAObserver.addObserver(this); // (2) ajout d'observateur
  }

  void update(Observable observable, Object objectConcerne) {
    repaint();  // (3) traitement de l'observation
  }
}

Posted by: Guest on October-13-2020

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