public void guessLetter(String letter) {
// if the letter has already been guessed, nothing happens
// PROTIP: You can quit current method with return; statement
// Else if Letter hadn't been guessed already
// Append letter to guessed letters
// If Word we are trying to guess doesn't contain letter
// Increase numberOfFaults
}
public String hiddenWord() {
// Declare empty Hidden word where start appending letters
// Loop thru word we are trying to guess
// If character at index i has been guessed already
// PROTIP: You can check if String contains character by using wordString.contains("" + letterChar);
// Add letter to Hidden word
// Else if char hadn't been guessed append "_" to Hidden word
// Return Hidden Word
}