Java-Swing-Registration-Quiz-App/UserDatabase.java at main · gaureshpai/Java-Swing-Registration-Quiz-App · GitHub

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import java.io.*;

import java.util.*;

public class UserDatabase {

private static final String FILENAME = "users.txt";

public static User[] loadUsers() {

List<User> userList = new ArrayList<>();

try (BufferedReader br = new BufferedReader(new FileReader(FILENAME))) {

String line;

while ((line = br.readLine()) != null) {

String[] parts = line.split(",");

if (parts.length == 4) {

String username = parts[0];

char[] password = parts[1].toCharArray();

String securityQuestion = parts[2];

String securityAnswer = parts[3];

userList.add(new User(username, password, securityQuestion, securityAnswer));

}

} catch (FileNotFoundException e) {

System.err.println("Error: users.txt file not found.");

} catch (IOException e) {

e.printStackTrace();

System.err.println("Error loading users: " + e.getMessage());

}

return userList.toArray(new User[0]);

}

public static void saveUsers(User[] users) {

try (PrintWriter writer = new PrintWriter(new FileWriter(FILENAME))) {

for (User user : users) {

writer.println(user.getUsername() + "," + String.valueOf(user.getPassword()) + "," + user.getSecurityQuestion() + "," + user.getSecurityAnswer());

}

writer.flush();

} catch (IOException e) {

e.printStackTrace();

System.err.println("Error saving users: " + e.getMessage());

}

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