Problems with my workspace

import java.io.Console;

public class Prompter {
   private Game mGame;

   public Prompter(Game game) {
      mGame = game;
   }

   public void play() {
      while (mGame.getRemainingTries() > 0 && !mGame.isSolved()) {
         displayProgress(); 
         promptForGuess();
      }

      if (mGame.isSolved()) {
         System.out.printf("Congratulations you won with %d tries remaining.\n", mGame.getRemainingTries());
      } else { 
         System.out.printf("Bummer the word was %s. :(\n", mGame.getAnswer());
      }
   }

   public boolean promptForGuess() {
      Console console = System.console();
      boolean isHit = false; 
      boolean isValidGuess = false;
      while (!isValidGuess) {
         String guessAsString = console.readLine("Enter a letter: ");
         try {
            isHit = mGame.applyGuess('a');  //you weren't passing in a char, which applyGuess() requires
                               //so I just hard-coded a char to get it to compile
            isValidGuess = true;
         } catch (IllegalArgumentException iae) {
            console.printf("%s. Please try again.\n", iae.getMessage());
         }
      }
      return isHit;
   }

   public void displayProgress() {
      System.out.printf("You have %d tries left to solve: %s\n", mGame.getRemainingTries(), mGame.getCurrentProgress());
   } 

}

 public int getRemainingTries() {
   return 0;
 }

 public boolean isSolved() {
   return false;
 }

 public String getAnswer() {
   return "answer";
 }