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I have a problem with my code in java, replit. When I run my code in the console, the output for the csv file is always the random ID number, null, 0,0,0. I don't want null, 0,0,0. null,0,0,0 reflects name, totalgames, totalguesses, and bestgame. When I run my program it doesn't give the actual value of totalgames, totalguesses, and bestgame just 0,0,0 every time. Could you fix this? Also name is null because I haven't asked for the player's name, so I would like you to include that as well in this code.
Here is the code, each class in seperate files in replit:
import java.util.Scanner;
import java.util.Random;
public class Main {
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
Random random = new Random();
Game game = new Game(console, random);
game.startGame();
console.close();
}
}
import java.util.Scanner;
import java.util.UUID;
public class Player {
private UUID id;
private String name;
private int totalGames;
private int totalGuesses;
private int bestGame;
public Player() {
this.id = UUID.randomUUID();
}
public UUID getId() {
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getTotalGames() {
return totalGames;
}
public void setTotalGames(int totalGames) {
this.totalGames = totalGames;
}
public int getTotalGuesses() {
return totalGuesses;
}
public void setTotalGuesses(int totalGuesses) {
this.totalGuesses = totalGuesses;
}
public int getBestGame() {
return bestGame;
}
public void setBestGame(int bestGame) {
this.bestGame = bestGame;
}
public int playGame(Scanner console, int answer) {
System.out.println("I'm thinking of a number between 1 and " + Game.MAX + "...");
int guesses = 0;
while (true) {
System.out.print("Your guess? ");
if (console.hasNextInt()) {
int guess = console.nextInt();
guesses++;
if (guess == answer) {
System.out.println("You got it right in " + guesses + " guess" + (guesses == 1 ? "!" : "es!"));
break;
} else if (guess < answer) {
System.out.println("It's higher.");
} else {
System.out.println("It's lower.");
}
} else {
System.out.println("Invalid input. Please enter a valid integer.");
console.next(); // consume invalid input
}
}
return guesses;
}
}
import java.io.*;
import java.util.Scanner;
import java.util.Random;
public class Game {
public static final int MAX = 100;
private final Scanner console;
private final Random random;
private static final String CSV_FILE_PATH = "player_results.csv";
public Game(Scanner console, Random random) {
this.console = console;
this.random = random;
}
public void startGame() {
int totalGames = 0;
int totalGuesses = 0;
int bestGame = Integer.MAX_VALUE;
while (true) {
Player player = new Player();
int answer = 1 + random.nextInt(MAX);
int guesses = player.playGame(console, answer);
totalGames++;
totalGuesses += guesses;
bestGame = Math.min(bestGame, guesses);
// Save player information to CSV
savePlayerToCSV(player);
System.out.println("Play again y/n?");
String playAgain = console.next().toLowerCase();
if (!playAgain.startsWith("y")) {
break;
}
}
printOverallStatistics(totalGames, totalGuesses, bestGame);
}
private void printOverallStatistics(int totalGames, int totalGuesses, int bestGame) {
System.out.println("Total games: " + totalGames);
System.out.println("Total guesses: " + totalGuesses);
System.out.println("Guesses/game: " + (totalGames == 0 ? 0 : totalGuesses / totalGames));
System.out.println("Best game: " + bestGame);
}
private void savePlayerToCSV(Player player) {
try (FileWriter writer = new FileWriter(CSV_FILE_PATH, true);
BufferedWriter bw = new BufferedWriter(writer);
PrintWriter out = new PrintWriter(bw)) {
out.println(player.getId() + "," +
player.getName() + "," +
player.getTotalGames() + "," +
player.getTotalGuesses() + "," +
player.getBestGame());
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
Random random = new Random();
Game game = new Game(console, random);
game.startGame();
console.close();
}
}
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