Java Hangman Game

This project is a Java implementation of the classic Hangman game. Players can guess letters to uncover a hidden word. The game includes features such as displaying the current state of the word, tracking guessed letters, and limiting the number of incorrect guesses.

Java Code Snippet

                    
                     import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;

public class HangmanGame {
    private static final String FILE_PATH = "states.txt";

    private ArrayList words;
    private char[] word;
    private boolean[] wordMask;
    private char[] guessedLetters;
    private int incorrectAttempts;

    public HangmanGame() {
        words = new ArrayList<>();
        word = null;
        wordMask = null;
        guessedLetters = new char[26];
        incorrectAttempts = 0;
    }

    private void readWordsFromFile() {
        try (BufferedReader reader = new BufferedReader(new FileReader(FILE_PATH))) {
            String line;
            while ((line = reader.readLine()) != null) {
                words.add(line.toLowerCase());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void chooseRandomWord() {
        Random random = new Random();
        int randomIndex = random.nextInt(words.size());
        String chosenWord = words.get(randomIndex);

        word = chosenWord.toCharArray();
        wordMask = new boolean[word.length];
    }

    private void printWord() {
        for (int i = 0; i < word.length; i++) {
            if (wordMask[i]) {
                System.out.print(word[i] + " ");
            } else {
                System.out.print("_ ");
            }
        }
        System.out.println();
    }

    private void printHangman() {
        int remainingAttempts = 6 - incorrectAttempts;

        System.out.println("Incorrect Attempts: " + incorrectAttempts);
        System.out.println("  __________");
        System.out.println(" |         |");

        switch (remainingAttempts) {
            case 0:
                System.out.println(" |         |");
                System.out.println(" |       _/_\\ ");
                System.out.println(" |        |_|  ");
                System.out.println(" |       / \\ ");
                System.out.println(" |      /   \\ ");
                break;
            case 1:
                System.out.println(" |         |");
                System.out.println(" |       _/_\\ ");
                System.out.println(" |        |_|  ");
                System.out.println(" |       /    ");
                System.out.println(" |      /     ");
                break;
            case 2:
                System.out.println(" |         |");
                System.out.println(" |       _/_\\ ");
                System.out.println(" |        |_|  ");
                System.out.println(" |            ");
                System.out.println(" |            ");
                break;
            case 3:
                System.out.println(" |         |");
                System.out.println(" |       _/_  ");
                System.out.println(" |        |_| ");
                System.out.println(" |            ");
                System.out.println(" |            ");
                break;
            case 4:
                System.out.println(" |         |");
                System.out.println(" |       _/   ");
                System.out.println(" |        |_| ");
                System.out.println(" |            ");
                System.out.println(" |            ");
                break;
            case 5:
                System.out.println(" |         |");
                System.out.println(" |         |");
                System.out.println(" |        /| ");
                System.out.println(" |        |_| ");
                System.out.println(" |            ");
                break;
            case 6:
                System.out.println(" |         |");
                System.out.println(" |         |");
                System.out.println(" |        /|\\");
                System.out.println(" |        |_| ");
                System.out.println(" |            ");
                break;
        }

        System.out.println(" |            ");
        System.out.println(" |____________|");
    }

    private void printGuessedLetters() {
        System.out.print("Guessed Letters: ");
        for (char letter : guessedLetters) {
            if (letter != 0) {
                System.out.print(letter + " ");
            }
        }
        System.out.println();
    }

    private boolean isGameOver() {
        return incorrectAttempts >= 6 || isWordGuessed();
    }

    private boolean isWordGuessed() {
        for (boolean isLetterGuessed : wordMask) {
            if (!isLetterGuessed) {
                return false;
            }
        }
        return true;
    }

    public void play() {
        readWordsFromFile();
        chooseRandomWord();

        Scanner scanner = new Scanner(System.in);

        while (!isGameOver()) {
            System.out.println("Hangman Game");
            printWord();
            printHangman();
            printGuessedLetters();

            System.out.print("Guess a letter: ");
            char guess = scanner.next().toLowerCase().charAt(0);

            guessedLetters[guess - 'a'] = guess;

            boolean correctGuess = false;
            for (int i = 0; i < word.length; i++) {
                if (word[i] == guess) {
                    wordMask[i] = true;
                    correctGuess = true;
                }
            }

            if (!correctGuess) {
                incorrectAttempts++;
            }
        }

        if (isWordGuessed()) {
            System.out.println("Congratulations! You guessed the word: " + new String(word));
        } else {
            System.out.println("Game over! The word was: " + new String(word));
        }
    }

    public static void main(String[] args) {
        HangmanGame hangmanGame = new HangmanGame();
        hangmanGame.play();
    }
}

                    
                

Project Images

Sequence Diagram

Output Image

For the hangmang text document you can Download here.