Hangman Judge

import java.util.Scanner;
import java.util.ArrayList;
import java.util.HashMap;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        while(sc.hasNext()) {
            int rounds = Integer.parseInt(sc.nextLine());
            if(rounds != -1) {
                HashMap<Character, Boolean> solution = new HashMap<>();
                String thisSolution = sc.nextLine();
                for(int i = 0; i < thisSolution.length(); i++) {
                    solution.put(thisSolution.charAt(i), false);
                }
                String thisGuess = sc.nextLine();
                ArrayList<Character> guesses = new ArrayList<>();
                for(int i = 0; i < thisGuess.length(); i++) {
                    guesses.add(thisGuess.charAt(i));

                }
                System.out.println("Round " + rounds);
                System.out.println(gameResult(solution, guesses));
            }
        }
    }

    static String gameResult(HashMap<Character, Boolean> gameQ, ArrayList<Character> guess) {
        ArrayList<Character> guessedCorrectChar = new ArrayList<>();
        ArrayList<Character> guessedWrongChar = new ArrayList<>();
        for(int i = 0; i < guess.size(); i++) {
            if(!guessedCorrectChar.contains(guess.get(i)) || !guessedWrongChar.contains(guess.get(i))) {
                for(Character k : gameQ.keySet()) {
                    if(guess.get(i) == k) {
                        gameQ.replace(k, true);
                        if(!guessedCorrectChar.contains(k)) {
                            guessedCorrectChar.add(k);
                        }
                    }
                }
                if(!guessedCorrectChar.contains(guess.get(i)) && !guessedWrongChar.contains(guess.get(i))) {
                    guessedWrongChar.add(guess.get(i));
                }
            }
            if(!gameQ.containsValue(false) && guessedWrongChar.size() < 7) {
                return "You win.";
            }
        }

        if(guessedWrongChar.size() >= 7) {
            return "You lose.";
        }

            return "You chickened out.";
    }

}