[Java]Prozenje eventov spreminjanja (ne vem kako bi to drugace prevedel)

class StateMachine {
int enInt;
EventListener l;
void setListener(EventListener l) {
this.l=l;
} 
void setEnInt(int enInt) {
this.enInt=enInt;
l.fire() ;
} 
} 

class StateMachine {
	public interface CustomEventListener {
		public void fire(Object o)
	}
	
	private int enInt;
	private CustomEventListener l;
	void setListener(CustomEventListener l) {
		this.l=l;
		} 
	void setEnInt(int enInt) {
		this.enInt=enInt;
		l.fire(someObject);
	} 
} 

class ListenerClass implements CustomEventListener {
	@Overide
	public fire(Object o) {
		// ...
	}
}