private static void displayStatistics () {
		if (loggedPlayer==null) {
			System.out.println("\nLog in to display your duels!");
			return;
		}
		
		ArrayList<Duel> ongoingPlayerDuels = DuelFileHandler.getOngoingPlayerDuels(loggedPlayer);
		ArrayList<Duel> finishedPlayerDuels = DuelFileHandler.getFinishedPlayerDuels(loggedPlayer);
		
		System.out.println("\nFINISHED DUELS:");
		if (finishedPlayerDuels.size()==0) System.out.println("none");
		for (int i=0; i<finishedPlayerDuels.size(); i++) {
			Duel tempDuel=finishedPlayerDuels.get(i);
			
			if (loggedPlayer.equals(tempDuel.getWinner())) {
				System.out.println("<> Duel against " + tempDuel.getOpponentName(loggedPlayer) + ".\t You won " + tempDuel.getNumberOfCorrectQuestions(loggedPlayer) + ":" + tempDuel.getNumberOfCorrectQuestions(tempDuel.getOpponent(loggedPlayer)));
			} else {
				System.out.println("<> Duel against " + tempDuel.getOpponentName(loggedPlayer) + ".\t You lost " + tempDuel.getNumberOfCorrectQuestions(loggedPlayer) + ":" + tempDuel.getNumberOfCorrectQuestions(tempDuel.getOpponent(loggedPlayer)));
			}
		}
		
		System.out.println("\nONGOING DUELS:");
		if (ongoingPlayerDuels.size()==0) System.out.println("none");
		for (int i=0; i<ongoingPlayerDuels.size(); i++) {
			Duel tempDuel=ongoingPlayerDuels.get(i);
			String firstPhrase=null;
			String score=null;
			if (tempDuel.getOpponent(loggedPlayer)==null) {
				firstPhrase = "<> Duel without opponent yet.";
				score = "Your current score is " + tempDuel.getNumberOfCorrectQuestions(loggedPlayer) + ":0";
			} else {
				firstPhrase = "<> Duel against " + tempDuel.getOpponentName(loggedPlayer) + ".\t";
				score = "Your current score is " + tempDuel.getNumberOfCorrectQuestions(loggedPlayer) + ":" + tempDuel.getNumberOfCorrectQuestions(tempDuel.getOpponent(loggedPlayer));
			}
			
			if (tempDuel.getCurrentQuestionNumber(loggedPlayer)>tempDuel.getTotalQuestionNumber()) {
				System.out.println(firstPhrase + "\tYou finished this duel. Waiting for " + tempDuel.getOpponentName(loggedPlayer) + ".\t" + score);
			} else {
				System.out.println(firstPhrase + "\tNext question: " + tempDuel.getCurrentQuestionNumber(loggedPlayer) + "/" + tempDuel.getTotalQuestionNumber() + ".\t" + score);
			}
		}
		System.out.println();
	}