EventListener_Java

EventBeginning.java

public class EventBeginning{
  private ListenerInterface listener = null;
  
  public void eventListener() {
	if (listener != null) {
		listener.buttonAction();
	}
  }
  
  public void addListener(ListenerInterface listener) {
	this.listener = listener;
  }
}

ListenerInterface.java

import java.util.EventListener;

public interface ListenerInterface extends EventListener{
	public void buttonAction();
}

ReciveEvent.java

public class ReciveEvent implements ListenerInterface{
  EventBeginning childClass;
  
  public ReciveEvent{
    childClass = new EventBeginning();
    childClass.addListener(this);
  }
  
  public static void main(String[] args) {
  }
  
  @Override
  public void buttonAction(){
    // TODO Auto-generated method stub
  }
  
}