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Thread: String to Array?

  1. #1
    Junior Member
    Join Date
    Nov 2012
    Thanked 1 Time in 1 Post

    Default String to Array?

    OK so I actually have a couple basic problem but the most important problem is the array. I am making a hangman game. I have a driver that was supplied but it is actually confusing me more.

    1. Does the driver get the information from the file for me, or do I need to have the code that I put in main to get the information?

    2. I tried to output the String word just so that I knew file.next was working to get the information from the file, but I couldn't get it to output from either the displayGameIntro or play methods because it didn't recognize the variable. Any suggestions?

    3. This has to do with #2, since I can't seem to get the String word to be recognized, I can't turn it into an array. My plan is to create an array called letter (which I commented out while i was trying to get the other stuff working) that I can use when I am checking to see if the user has entered the correct letter. Is this the wrong idea to be using. Should I not use an array to check if the guessed letter is correct?

    Here is the driver:

    /* This program is a word guessing game called hangman.
     * A person will try and guess a word before the max 
     * number of guesses are used. Every time the user chooses an 
     * incorrect letter another body part is displayed in the gallows.                           
    import java.util.*;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    public class HangmanDriver {
        public static final String filename = "hw7data.txt";
        // Driver to run the game using the student Hangman class
        public static void main(String[] args) {
            Scanner wordsFile = null;                  // words data file
            // open the file containing the words
            try {
                wordsFile = new Scanner(new FileInputStream(filename));
            catch (FileNotFoundException e) {
                System.out.println("File not found or not opened.");
            // create object and prepare to play game
            Hangman game = new Hangman(wordsFile);
            Scanner keyboard = new Scanner(System.in);
            // display an introduction on the game to the player
            // continually play new games if the user desires
            String playAgain;
            do {
                System.out.print("Do you want to play again? ");
                playAgain = keyboard.next();
            } while (playAgain.toUpperCase().startsWith("Y"));
            System.out.println("Thanks for playing!");

    This is my program:
    // This program runs a game of hangman
    // The point is to guess the word based on the number of blank spaces
    //@author: Kristen Watson
    //@version: 11/23/201
    import java.util.Scanner;
    import java.io.File;
    public class Hangman
       public final static String filename = "hw7data.txt";
       public static void main(String[] args) {
            Scanner inputFile = null;
            try {
                inputFile = new Scanner(new File(filename));
            } catch (Exception e) {
                System.out.println("File could not be opened: " + filename);
       public Hangman(Scanner file) {
            // Store the file object in an instance variable for later use
            String word = file.next();
        //Displays the Intro to the game for the player
        public void displayGameIntro() {
            System.out.println("You have just started a game of Hangman."); 
            System.out.println("You have seven guesses to figure out the correct word.");
            System.out.println("The blank spots indicate how long the word is. Each");
            System.out.println("correct letter will show up in the correct spot, while");
            System.out.println("a wrong guess will lead to another body part being");
            System.out.println("displayed. After seven incorrect guesses, you lose.");
        public void play () {
            // Here is some high-level pseudocode of what you want to do:
            // Initialize everything, such as arrays
            //int [] letters = new int [word.length];
            //for loop that takes word into array letters
            //for(int i = 0; i < word.length; i++){
            //    letters [i] = word[i];
            // Get one word from the data file
            // Loop until game is over:
            //		Display current picture, letters guessed, wrong guesses, and word so far
            //		Get a valid, not-yet-guessed letter from the player
            //		Determine if the letter is in the word and update variables appropriately
            // Handle winning or losing
    Last edited by Norm; November 30th, 2012 at 09:50 AM. Reason: removed spaces in code tags

  2. The Following User Says Thank You to Kristenw17 For This Useful Post:

    tsharetlme (November 30th, 2012)

  3. #2
    Administrator Norm's Avatar
    Join Date
    May 2010
    Eastern Florida
    Thanked 2,643 Times in 2,613 Posts

    Default Re: String to Array?

    What happens when you execute the code?

    What does the driver code pass to the Hangman constructor?

    I couldn't get it to output
    Is the method called? If it is called it should print out some messages. Do any of its messages get printed?

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