new semester here we go
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Medium Fries
112
338/lab5/source/src/hangman/Game.java
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112
338/lab5/source/src/hangman/Game.java
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package hangman;
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/**
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* Game contains the logic for game of hangman.
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*
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*/
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public class Game {
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protected String word;
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protected int remaining_guesses;
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protected StringBuffer display;
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protected String correctGuess;
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protected String badGuess;
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/**
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* Game constructor
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* @param word - the word to be guessed
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* @param guesses - number of incorrect guesses allowed
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*/
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public Game(String word, int guesses) {
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this.word = word;
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remaining_guesses = guesses;
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correctGuess = "";
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badGuess = "";
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display = new StringBuffer();
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for (int i = 0; i < word.length(); i++) {
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char c = word.charAt(i);
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if (Character.isLetter(c)) {
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display.append("_");
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} else {
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display.append("#");
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}
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display.append(" ");
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}
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}
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public String getWord() {
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return word;
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}
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public int getRemainingGuesses() {
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return remaining_guesses;
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}
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public String getDisplay() {
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return display.toString();
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}
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/* return code from processGuess */
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public static final int GOOD = 1;
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public static final int BAD = 2;
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public static final int WON = 3;
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public static final int LOST = 4;
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public static final int REPEAT_GOOD_GUESS = 5;
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public static final int REPEAT_BAD_GUESS = 6;
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/**
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*
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* @param c - the letter guessed
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* @return code
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*/
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public int processGuess(char c) {
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if (correctGuess.indexOf(c) >= 0) {
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return REPEAT_GOOD_GUESS;
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}
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if (badGuess.indexOf(c) >= 0) {
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remaining_guesses -= 1;
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if (remaining_guesses <= 0 && display.indexOf("_") >= 0) {
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return LOST;
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} else {
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return REPEAT_BAD_GUESS;
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}
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} else {
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boolean found = false;
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for (int i = 0; i < word.length(); i++) {
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if (c == word.charAt(i)) {
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found = true;
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correctGuess += c;
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display.replace(2 * i, 2 * i + 1, word.substring(i, i + 1));
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}
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}
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if (!found) {
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remaining_guesses -= 1;
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badGuess += c;
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if (remaining_guesses <= 0 && display.indexOf("_") >= 0) {
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return LOST;
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} else {
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return BAD;
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}
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}
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}
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if (display.indexOf("_") < 0) {
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return WON;
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} else {
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return GOOD;
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}
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}
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/**
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* user asks for a hint.
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* @return code WON, LOST or GOOD.
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*/
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public int doHint() {
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int k = display.indexOf("_");
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char c = word.charAt(k / 2);
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int rc = processGuess(c);
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return rc;
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}
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}
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156
338/lab5/source/src/hangman/Hangman.java
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156
338/lab5/source/src/hangman/Hangman.java
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package hangman;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.Random;
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import java.util.Scanner;
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import javafx.application.Application;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.scene.Scene;
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import javafx.scene.control.TextField;
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import javafx.scene.image.Image;
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import javafx.scene.image.ImageView;
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import javafx.scene.layout.VBox;
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import javafx.scene.text.Text;
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import javafx.stage.Stage;
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public class Hangman extends Application {
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Image[] images = new Image[7];
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ArrayList<String> words;
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Game g;
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ImageView imageView;
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Text text1;
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Text text2;
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TextField textField;
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@Override
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public void start(Stage stage) throws Exception {
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words = new ArrayList<String>();
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readFile();
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g = new Game(pickRandomWord(), 6);
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try {
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//load image files
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images[0] = new Image(new FileInputStream("./h1.gif"));
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images[1] = new Image(new FileInputStream("./h2.gif"));
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images[2] = new Image(new FileInputStream("./h3.gif"));
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images[3] = new Image(new FileInputStream("./h4.gif"));
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images[4] = new Image(new FileInputStream("./h5.gif"));
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images[5] = new Image(new FileInputStream("./h6.gif"));
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images[6] = new Image(new FileInputStream("./h7.gif"));
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} catch (Exception e) {
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System.out.println("Error. " + e.getMessage());
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System.exit(0);
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}
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imageView = new ImageView(images[0]);
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text1 = new Text("Guess a letter or ask for hint.");
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text2 = new Text(g.getDisplay());
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textField = new TextField();
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textField.setOnAction(new GameController());
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VBox vbox = new VBox(10);
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vbox.getChildren().addAll(imageView, text1, text2, textField);
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//Creating a scene object
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Scene scene = new Scene(vbox, 250, 350);
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stage.setTitle("Play Hangman");
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stage.setScene(scene);
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stage.show();
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}
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public class GameController implements EventHandler<ActionEvent> {
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@Override
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public void handle(ActionEvent ae) {
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String user_input = textField.getText();
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//DEBUG System.out.println(user_input);
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if (user_input.length() == 0) {
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text1.setText("Enter a single letter or enter hint.");
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text2.setText(g.getDisplay());
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textField.setText("");
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} else if (user_input.equalsIgnoreCase("hint")) {
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int rc = g.doHint();
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imageView.setImage(images[6 - g.getRemainingGuesses()]);
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if (rc == Game.WON) {
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text1.setText("You won!");
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text2.setText(g.getDisplay());
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textField.setText("");
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} else if (rc == Game.LOST) {
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text1.setText("");
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text2.setText("Game over. The word was: " + g.getWord());
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textField.setText("");
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} else {
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text1.setText("Enter a guess or hint.");
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text2.setText(g.getDisplay());
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textField.setText("");
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}
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} else {
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char c = user_input.charAt(0);
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int rc = g.processGuess(c);
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switch (rc) {
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case Game.BAD:
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text1.setText("No " + c + " in the word. " + g.getRemainingGuesses() + " attempts left.");
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textField.setText("");
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imageView.setImage(images[6 - g.getRemainingGuesses()]);
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break;
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case Game.GOOD:
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text1.setText("Yes. There is a " + c + " in the word.");
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text2.setText(g.getDisplay());
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textField.setText("");
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break;
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case Game.LOST:
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text1.setText("That was your last guess. Game Over");
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text2.setText("Word was: " + g.getWord());
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imageView.setImage(images[6]);
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textField.setText("");
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break;
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case Game.WON:
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text1.setText("You won!");
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text2.setText(g.getDisplay());
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textField.setText("");
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break;
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case Game.REPEAT_GOOD_GUESS:
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text1.setText("You already guessed that letter.");
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text2.setText(g.getDisplay());
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textField.setText("");
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case Game.REPEAT_BAD_GUESS:
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text1.setText("You already guessed that letter.");
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text2.setText(g.getDisplay());
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textField.setText("");
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imageView.setImage(images[6 - g.getRemainingGuesses()]);
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}
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}
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}
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}
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public static void main(String[] args) {
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launch(args);
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}
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public void readFile(){
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try {
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File f = new File("words.txt");
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Scanner infile = new Scanner(f);
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while (infile.hasNext()){
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words.add(infile.nextLine().trim());
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}
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infile.close();
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}catch (Exception e){
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System.out.println("Error exception. "+e.getMessage());
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System.exit(0);
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}
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}
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public String pickRandomWord() {
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int k = new Random().nextInt(words.size());
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return words.get(k);
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}
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}
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