Can somebody show me how to implement buttons?

[Klaas Vredevort]

Hey

I would like to know how to implement buttons instead of a manual input in the following program (I highlighted the part where the user puts in a letter of the alphabet so that you can see what I mean)

  import java.io.*;
 

public class Hangman
{
 
    private StringBuffer wordToPlayWith;
    private StringBuffer wordToGuess;
    private char [] wordToPlayWithCharArray;
    private char [] guessedCharArray;
    private int numberOfTries;
    private boolean hasGuessed = false;
    int tries = 0;
    char [] letterHasBeenUsed;
 
    /**
     * @param wordToPlayWith String
     */
    public Hangman (String wordToPlayWith)
    {
        this.wordToPlayWith = new StringBuffer (wordToPlayWith);
        numberOfTries = wordToPlayWith.length () + 5;
        wordToGuess = new StringBuffer (128);
        wordToPlayWithCharArray = (this.wordToPlayWith.toString ()).toCharArray ();
    }
 

    /**
     * @throws IOException
     */
    public void play () throws IOException
    {
 

 
        int wordToPlayWithLength = wordToPlayWith.length ();
        System.out.println ("The word to guess has " + wordToPlayWithLength + " characters.");
 
        for (int i = 0 ; i < wordToPlayWithLength ; i++)
        {
            wordToGuess.append ("-");
        }
 
        BufferedReader input = new BufferedReader (new InputStreamReader (System.in));
 
        while (tries < numberOfTries && !hasGuessed)
        {
 
            System.out.println ("The word to guess is: " + wordToGuess.toString ());
            System.out.println ("Please enter a single character: ");
            String charChosen = input.readLine ();
 
            while (charChosen.length () > 1 || charChosen.length () == 0)
            {
                System.out.println ("The word to guess is: " + wordToGuess.toString ());
                System.out.println ("Please enter a single character: ");
               [B]charChosen = input.readLine();[/B]
            }
            guessedCharArray = charChosen.toCharArray ();
            char guessedChar = guessedCharArray [0];
 
            for (int j = 0 ; j < wordToPlayWithCharArray.length ; j++)
            {
 
                if (wordToPlayWithCharArray [j] == guessedChar)
                {
                    wordToGuess = wordToGuess.insert (j, guessedChar);
                    wordToGuess = wordToGuess.delete (j + 1, j + 2);
                }
            }
 
            if (this.wordToPlayWith.toString ().equals (this.wordToGuess.toString ()))
            {
                System.out.println ("Well done!! You've guessed the word.");
                hasGuessed = true;
            }
 
            if (!hasGuessed)
            {
                tries++;
                System.out.println ("You've got " + (numberOfTries - tries) + " tries left!");
            }
        }
 
        if (!hasGuessed)
        {
            System.out.println ("Sorry! Beter luck next time.");
        }
    }
}
  

[marc weber]

Originally posted by Klaas Vredevort:
... I would like to know how to implement buttons instead of a manual input...

I think you're asking how to build a GUI for your program, right? This Swing tutorial should give you an idea of what's involved.

If you haven't worked with Swing before, this might seem like a lot to tackle. But once you get a feel for the concepts, it's not that bad. We also have a Swing forum especially for GUI topics.
[ March 17, 2006: Message edited by: marc weber ]