HangMan.java

import java.util.Arrays;
import java.util.Scanner;
import java.util.Random;
public class HangMan {
    final String[] words = {
            "abandon",
            "cabaret",
            "eagerly",
            "habitat",
            "iceberg",
            "labeled",
            "rabbits",
            "sabbath",
            "ugliest",
            "vacancy",
            "vaccine",
            "eager",
            "faces",
            "habit",
            "labor",
            "rabbi",
            "wacky",
            "yacht",
            "babies",
            "eagles"
    };
    String[] randomWordArray;
    String randomWord;
    final String[] hangmanBodyParts = {" O \n", "/", "|", "\\\n", "/ ", "\\"};

    HangMan(){
        setWord();
    }

    void setWord() {
        int randomWordsIndex = new Random().nextInt(words.length);
        randomWord = words[randomWordsIndex];
        randomWordArray = randomWord.split("");
    }

    void showHangMan(int incorrectGuesses) {
        for(int i = 0; i < incorrectGuesses; i++){
            System.out.print(hangmanBodyParts[i]);
        }
        System.out.println("");
    }

    String underscoresToString(String[] underscores) {
        return "\"" + String.join("", underscores) + "\"";
    }

    void playGame() {
        String[] underscores = new String[randomWord.length()];
        Arrays.fill(underscores, "_");

        Scanner sc = new Scanner(System.in);

        System.out.println(String.format(
            "This is a game of HangMan. Please choose a letter for the hidden word: %s",
            underscoresToString(underscores)
        ));

        int incorrectGuesses = 0;

        while(sc.hasNext()){
            String guess = sc.next();
            boolean hasLetter = randomWord.indexOf(guess) != -1;
            if(hasLetter) {
                boolean winner = true;
                for(int i = 0; i < underscores.length; i++) {
                    if (randomWordArray[i].equals(guess)) {
                        underscores[i] = guess;
                    } else if (underscores[i] == "_") {
                        winner = false;
                    }
                }

                if (winner) {
                    System.out.println(
                        "You won! Congratulations!!! The word is: " + underscoresToString(underscores)
                    );
                    break;
                } else {
                    System.out.println(String.format(
                            "That guess was correct!\nHere is the word with your current correct guesses: %s.\nPlease enter your next guess.",
                            underscoresToString(underscores)
                    ));
                }
            } else {
                incorrectGuesses++;
                showHangMan(incorrectGuesses);
                if(incorrectGuesses == hangmanBodyParts.length) {
                    System.out.println("Game Over. Thanks for playing!");
                    break;
                } else {
                    System.out.println("Please guess again.");
                }
            }
        }
    }
}