diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/exams/张三1/2025-09-28-20-12-09.txt b/exams/张三1/2025-09-28-20-12-09.txt
new file mode 100644
index 0000000..ec3ee1e
--- /dev/null
+++ b/exams/张三1/2025-09-28-20-12-09.txt
@@ -0,0 +1,29 @@
+1. 58 =
+
+2. 19 / 81 =
+
+3. 77 - 20 =
+
+4. (66 + 65 + 35 / 57) =
+
+5. 29 / 37 =
+
+6. (64 / 31) - 27 * 64 - 69 =
+
+7. ((97) * 83 * 39 + 23) =
+
+8. 72 - 85 =
+
+9. 30 - 79 + 63 + 82 =
+
+10. 95 - 26 =
+
+11. 13 - 98 =
+
+12. 36 - 55 =
+
+13. (((94 + 72) * 1) * 13) / 90 =
+
+14. 36 * 69 =
+
+15. (68 + 60) * 65 / 33 =
diff --git a/exams/张三1/2025-09-28-23-06-51.txt b/exams/张三1/2025-09-28-23-06-51.txt
new file mode 100644
index 0000000..5d84912
--- /dev/null
+++ b/exams/张三1/2025-09-28-23-06-51.txt
@@ -0,0 +1,31 @@
+1. 69 =
+
+2. (4 + 49 - 36 + 79) =
+
+3. 17 =
+
+4. ((83 + 61 - 26) + 24 * 93) =
+
+5. 65 =
+
+6. 16 / 66 =
+
+7. 5 / 93 =
+
+8. 33 / 11 =
+
+9. 91 =
+
+10. (22 - 13) + 70 + 40 / 59 =
+
+11. 88 =
+
+12. ((87) + 89) - 55 * 76 =
+
+13. 63 + 18 + 6 - 25 =
+
+14. 44 / 37 - 45 - 87 =
+
+15. ((74) + 53) / 31 / 54 =
+
+16. 91 / 9 + 55 * 38 =
diff --git a/src/Main.java b/src/Main.java
index 9f9933b..d986921 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,31 +1,45 @@
+import interfaces.LoginSystemInterface;
+import interfaces.FileManagerInterface;
+import models.User;
+import models.DifficultyLevel;
+import factories.ServiceFactory;
+import services.QuestionGenerator;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
- LoginSystem loginSystem = new LoginSystem();
+
+ LoginSystemInterface loginSystem = ServiceFactory.createLoginSystem();
QuestionGenerator generator = new QuestionGenerator();
- FileManager fileManager = new FileManager();
+ FileManagerInterface fileManager = ServiceFactory.createFileManager();
while (true) {
- // 登录阶段
- User currentUser = loginSystem.login(scanner);
+ System.out.print("请输入用户名和密码（用空格隔开）：");
+ String input = scanner.nextLine().trim();
+ String[] parts = input.split("\\s+");
+
+ if (parts.length != 2) {
+ System.out.println("请输入正确的用户名、密码");
+ continue;
+ }
+
+ User currentUser = loginSystem.login(parts[0], parts[1]);
if (currentUser == null) {
+ System.out.println("请输入正确的用户名、密码");
continue;
}
System.out.println("当前选择为" + currentUser.getLevel().getDisplayName() + "出题");
- // 主循环
while (true) {
System.out.println("准备生成" + currentUser.getLevel().getDisplayName() +
"数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）");
- String input = scanner.nextLine().trim();
+ String command = scanner.nextLine().trim();
- // 检查切换命令
- if (input.startsWith("切换为")) {
- String levelName = input.substring(3).trim();
+ if (command.startsWith("切换为")) {
+ String levelName = command.substring(3).trim();
DifficultyLevel newLevel = loginSystem.switchLevel(levelName);
if (newLevel != null) {
currentUser.setLevel(newLevel);
@@ -35,21 +49,18 @@ public class Main {
}
}
- // 检查退出命令
- if (input.equals("-1")) {
+ if (command.equals("-1")) {
System.out.println("退出当前用户，重新登录...");
break;
}
- // 生成题目
try {
- int count = Integer.parseInt(input);
+ int count = Integer.parseInt(command);
if (count < 10 || count > 30) {
System.out.println("题目数量应在10-30之间");
continue;
}
- // 生成题目并检查重复
String[] questions = generator.generateQuestions(currentUser.getLevel(), count,
currentUser.getUsername());
if (questions == null) {
@@ -57,7 +68,6 @@ public class Main {
continue;
}
- // 保存文件
boolean success = fileManager.saveQuestions(currentUser, questions);
if (success) {
System.out.println("题目生成成功！");
diff --git a/src/Question.java b/src/Question.java
deleted file mode 100644
index ae414c9..0000000
--- a/src/Question.java
+++ /dev/null
@@ -1,4 +0,0 @@
-public interface Question {
- String generateQuestion();
- boolean isValid();
-}
\ No newline at end of file
diff --git a/src/factories/ServiceFactory.java b/src/factories/ServiceFactory.java
new file mode 100644
index 0000000..b1b5a6a
--- /dev/null
+++ b/src/factories/ServiceFactory.java
@@ -0,0 +1,16 @@
+package factories;
+
+import interfaces.LoginSystemInterface;
+import interfaces.FileManagerInterface;
+import services.LoginSystem;
+import services.FileManager;
+
+public class ServiceFactory {
+ public static LoginSystemInterface createLoginSystem() {
+ return new LoginSystem();
+ }
+
+ public static FileManagerInterface createFileManager() {
+ return new FileManager();
+ }
+}
\ No newline at end of file
diff --git a/src/interfaces/FileManagerInterface.java b/src/interfaces/FileManagerInterface.java
new file mode 100644
index 0000000..1820ced
--- /dev/null
+++ b/src/interfaces/FileManagerInterface.java
@@ -0,0 +1,9 @@
+package interfaces;
+
+import models.User;
+import java.util.Set;
+
+public interface FileManagerInterface {
+ boolean saveQuestions(User user, String[] questions);
+ Set loadExistingQuestions(String username);
+}
\ No newline at end of file
diff --git a/src/interfaces/LoginSystemInterface.java b/src/interfaces/LoginSystemInterface.java
new file mode 100644
index 0000000..8c740f0
--- /dev/null
+++ b/src/interfaces/LoginSystemInterface.java
@@ -0,0 +1,9 @@
+package interfaces;
+
+import models.User;
+import models.DifficultyLevel;
+
+public interface LoginSystemInterface {
+ User login(String username, String password);
+ DifficultyLevel switchLevel(String levelName);
+}
\ No newline at end of file
diff --git a/src/interfaces/QuestionInterface.java b/src/interfaces/QuestionInterface.java
new file mode 100644
index 0000000..a258625
--- /dev/null
+++ b/src/interfaces/QuestionInterface.java
@@ -0,0 +1,10 @@
+package interfaces;
+
+import models.DifficultyLevel;
+
+public interface QuestionInterface {
+ String generateQuestion();
+ boolean isValid();
+ String getQuestionText();
+ DifficultyLevel getDifficulty();
+}
\ No newline at end of file
diff --git a/src/DifficultyLevel.java b/src/models/DifficultyLevel.java
similarity index 95%
rename from src/DifficultyLevel.java
rename to src/models/DifficultyLevel.java
index b549d7f..7fb255d 100644
--- a/src/DifficultyLevel.java
+++ b/src/models/DifficultyLevel.java
@@ -1,24 +1,26 @@
-public enum DifficultyLevel {
- PRIMARY("小学"),
- JUNIOR("初中"),
- SENIOR("高中");
-
- private final String displayName;
-
- DifficultyLevel(String displayName) {
- this.displayName = displayName;
- }
-
- public String getDisplayName() {
- return displayName;
- }
-
- public static DifficultyLevel fromString(String text) {
- for (DifficultyLevel level : DifficultyLevel.values()) {
- if (level.displayName.equals(text)) {
- return level;
- }
- }
- return null;
- }
+package models;
+
+public enum DifficultyLevel {
+ PRIMARY("小学"),
+ JUNIOR("初中"),
+ SENIOR("高中");
+
+ private final String displayName;
+
+ DifficultyLevel(String displayName) {
+ this.displayName = displayName;
+ }
+
+ public String getDisplayName() {
+ return displayName;
+ }
+
+ public static DifficultyLevel fromString(String text) {
+ for (DifficultyLevel level : DifficultyLevel.values()) {
+ if (level.displayName.equals(text)) {
+ return level;
+ }
+ }
+ return null;
+ }
}
\ No newline at end of file
diff --git a/src/User.java b/src/models/User.java
similarity index 91%
rename from src/User.java
rename to src/models/User.java
index fa199e4..de9eee8 100644
--- a/src/User.java
+++ b/src/models/User.java
@@ -1,17 +1,18 @@
-public class User {
- private String username;
- private String password;
- private DifficultyLevel level;
-
- public User(String username, String password, DifficultyLevel level) {
- this.username = username;
- this.password = password;
- this.level = level;
- }
-
- // Getter 和 Setter 方法
- public String getUsername() { return username; }
- public String getPassword() { return password; }
- public DifficultyLevel getLevel() { return level; }
- public void setLevel(DifficultyLevel level) { this.level = level; }
+package models;
+
+public class User {
+ private String username;
+ private String password;
+ private DifficultyLevel level;
+
+ public User(String username, String password, DifficultyLevel level) {
+ this.username = username;
+ this.password = password;
+ this.level = level;
+ }
+
+ public String getUsername() { return username; }
+ public String getPassword() { return password; }
+ public DifficultyLevel getLevel() { return level; }
+ public void setLevel(DifficultyLevel level) { this.level = level; }
}
\ No newline at end of file
diff --git a/src/FileManager.java b/src/services/FileManager.java
similarity index 86%
rename from src/FileManager.java
rename to src/services/FileManager.java
index 9900915..ca8cfba 100644
--- a/src/FileManager.java
+++ b/src/services/FileManager.java
@@ -1,66 +1,68 @@
-import java.io.*;
-import java.nio.file.*;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Set;
-
-public class FileManager {
- private static final String BASE_DIR = "exams";
-
- public boolean saveQuestions(User user, String[] questions) {
- try {
- // 创建用户目录
- Path userDir = Paths.get(BASE_DIR, user.getUsername());
- Files.createDirectories(userDir);
-
- // 生成文件名
- String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
- Path filePath = userDir.resolve(timestamp + ".txt");
-
- // 写入文件
- try (PrintWriter writer = new PrintWriter(Files.newBufferedWriter(filePath))) {
- for (int i = 0; i < questions.length; i++) {
- writer.println(questions[i]);
- if (i < questions.length - 1) {
- writer.println(); // 题目之间空一行
- }
- }
- }
-
- return true;
- } catch (IOException e) {
- e.printStackTrace();
- return false;
- }
- }
-
- public Set loadExistingQuestions(String username) {
- Set questions = new HashSet<>();
- Path userDir = Paths.get(BASE_DIR, username);
-
- if (!Files.exists(userDir)) {
- return questions;
- }
-
- try (DirectoryStream stream = Files.newDirectoryStream(userDir, "*.txt")) {
- for (Path filePath : stream) {
- try (BufferedReader reader = Files.newBufferedReader(filePath)) {
- String line;
- while ((line = reader.readLine()) != null) {
- if (line.trim().isEmpty() || !line.contains(".")) {
- continue;
- }
- // 提取题目内容（去掉题号）
- String question = line.substring(line.indexOf(".") + 1).trim();
- questions.add(question);
- }
- }
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
-
- return questions;
- }
+package services;
+
+import interfaces.FileManagerInterface;
+import models.User;
+import java.io.*;
+import java.nio.file.*;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.Set;
+
+public class FileManager implements FileManagerInterface {
+ private static final String BASE_DIR = "exams";
+
+ @Override
+ public boolean saveQuestions(User user, String[] questions) {
+ try {
+ Path userDir = Paths.get(BASE_DIR, user.getUsername());
+ Files.createDirectories(userDir);
+
+ String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
+ Path filePath = userDir.resolve(timestamp + ".txt");
+
+ try (PrintWriter writer = new PrintWriter(Files.newBufferedWriter(filePath))) {
+ for (int i = 0; i < questions.length; i++) {
+ writer.println(questions[i]);
+ if (i < questions.length - 1) {
+ writer.println();
+ }
+ }
+ }
+
+ return true;
+ } catch (IOException e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ @Override
+ public Set loadExistingQuestions(String username) {
+ Set questions = new HashSet<>();
+ Path userDir = Paths.get(BASE_DIR, username);
+
+ if (!Files.exists(userDir)) {
+ return questions;
+ }
+
+ try (DirectoryStream stream = Files.newDirectoryStream(userDir, "*.txt")) {
+ for (Path filePath : stream) {
+ try (BufferedReader reader = Files.newBufferedReader(filePath)) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ if (line.trim().isEmpty() || !line.contains(".")) {
+ continue;
+ }
+ String question = line.substring(line.indexOf(".") + 1).trim();
+ questions.add(question);
+ }
+ }
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ return questions;
+ }
}
\ No newline at end of file
diff --git a/src/LoginSystem.java b/src/services/LoginSystem.java
similarity index 58%
rename from src/LoginSystem.java
rename to src/services/LoginSystem.java
index ae93435..8084fa4 100644
--- a/src/LoginSystem.java
+++ b/src/services/LoginSystem.java
@@ -1,62 +1,48 @@
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Scanner;
-
-public class LoginSystem {
- private Map users;
-
- public LoginSystem() {
- initializeUsers();
- }
-
- private void initializeUsers() {
- users = new HashMap<>();
-
- // 小学账户
- users.put("张三1", new User("张三1", "123", DifficultyLevel.PRIMARY));
- users.put("张三2", new User("张三2", "123", DifficultyLevel.PRIMARY));
- users.put("张三3", new User("张三3", "123", DifficultyLevel.PRIMARY));
-
- // 初中账户
- users.put("李四1", new User("李四1", "123", DifficultyLevel.JUNIOR));
- users.put("李四2", new User("李四2", "123", DifficultyLevel.JUNIOR));
- users.put("李四3", new User("李四3", "123", DifficultyLevel.JUNIOR));
-
- // 高中账户
- users.put("王五1", new User("王五1", "123", DifficultyLevel.SENIOR));
- users.put("王五2", new User("王五2", "123", DifficultyLevel.SENIOR));
- users.put("王五3", new User("王五3", "123", DifficultyLevel.SENIOR));
- }
-
- public User login(Scanner scanner) {
- while (true) {
- System.out.print("请输入用户名和密码（用空格隔开）：");
- String input = scanner.nextLine().trim();
- String[] parts = input.split("\\s+");
-
- if (parts.length != 2) {
- System.out.println("请输入正确的用户名、密码");
- continue;
- }
-
- String username = parts[0];
- String password = parts[1];
-
- User user = users.get(username);
- if (user != null && user.getPassword().equals(password)) {
- return user;
- } else {
- System.out.println("请输入正确的用户名、密码");
- }
- }
- }
-
- public DifficultyLevel switchLevel(String levelName) {
- DifficultyLevel newLevel = DifficultyLevel.fromString(levelName);
- if (newLevel == null) {
- System.out.println("请输入小学、初中和高中三个选项中的一个");
- return null;
- }
- return newLevel;
- }
+package services;
+
+import interfaces.LoginSystemInterface;
+import models.User;
+import models.DifficultyLevel;
+import java.util.HashMap;
+import java.util.Map;
+
+public class LoginSystem implements LoginSystemInterface {
+ private Map users;
+
+ public LoginSystem() {
+ initializeUsers();
+ }
+
+ private void initializeUsers() {
+ users = new HashMap<>();
+
+ users.put("张三1", new User("张三1", "123", DifficultyLevel.PRIMARY));
+ users.put("张三2", new User("张三2", "123", DifficultyLevel.PRIMARY));
+ users.put("张三3", new User("张三3", "123", DifficultyLevel.PRIMARY));
+ users.put("李四1", new User("李四1", "123", DifficultyLevel.JUNIOR));
+ users.put("李四2", new User("李四2", "123", DifficultyLevel.JUNIOR));
+ users.put("李四3", new User("李四3", "123", DifficultyLevel.JUNIOR));
+ users.put("王五1", new User("王五1", "123", DifficultyLevel.SENIOR));
+ users.put("王五2", new User("王五2", "123", DifficultyLevel.SENIOR));
+ users.put("王五3", new User("王五3", "123", DifficultyLevel.SENIOR));
+ }
+
+ @Override
+ public User login(String username, String password) {
+ User user = users.get(username);
+ if (user != null && user.getPassword().equals(password)) {
+ return user;
+ }
+ return null;
+ }
+
+ @Override
+ public DifficultyLevel switchLevel(String levelName) {
+ DifficultyLevel newLevel = DifficultyLevel.fromString(levelName);
+ if (newLevel == null) {
+ System.out.println("请输入小学、初中和高中三个选项中的一个");
+ return null;
+ }
+ return newLevel;
+ }
}
\ No newline at end of file
diff --git a/src/QuestionGenerator.java b/src/services/MathQuestion.java
similarity index 53%
rename from src/QuestionGenerator.java
rename to src/services/MathQuestion.java
index 46d690f..4324b32 100644
--- a/src/QuestionGenerator.java
+++ b/src/services/MathQuestion.java
@@ -1,96 +1,86 @@
-import java.util.HashSet;
-import java.util.Random;
-import java.util.Set;
-
-public class QuestionGenerator {
- private Random random;
- private FileManager fileManager;
-
- public QuestionGenerator() {
- random = new Random();
- fileManager = new FileManager();
- }
-
- public String[] generateQuestions(DifficultyLevel level, int count, String username) {
- Set existingQuestions = fileManager.loadExistingQuestions(username);
- Set newQuestions = new HashSet<>();
- String[] questions = new String[count];
-
- for (int i = 0; i < count; i++) {
- String question;
- int attempts = 0;
-
- do {
- question = generateSingleQuestion(level, i + 1);
- attempts++;
- if (attempts > 100) {
- return null; // 避免无限循环
- }
- } while (existingQuestions.contains(question) || newQuestions.contains(question));
-
- newQuestions.add(question);
- questions[i] = question;
- }
-
- return questions;
- }
-
- private String generateSingleQuestion(DifficultyLevel level, int questionNumber) {
- int operandCount = random.nextInt(5) + 1; // 1-5个操作数
- StringBuilder question = new StringBuilder(questionNumber + ". ");
-
- switch (level) {
- case PRIMARY:
- question.append(generatePrimaryQuestion(operandCount));
- break;
- case JUNIOR:
- question.append(generateJuniorQuestion(operandCount));
- break;
- case SENIOR:
- question.append(generateSeniorQuestion(operandCount));
- break;
- }
-
- question.append(" = ");
- return question.toString();
- }
-
- private String generatePrimaryQuestion(int operandCount) {
- String[] operators = {"+", "-", "*", "/"};
- StringBuilder question = new StringBuilder();
-
- for (int i = 0; i < operandCount; i++) {
- if (i > 0) {
- question.append(" ").append(operators[random.nextInt(operators.length)]).append(" ");
- }
- question.append(random.nextInt(100) + 1);
-
- // 随机添加括号（小学难度）
- if (operandCount > 2 && random.nextDouble() < 0.3) {
- question.insert(0, "(").append(")");
- }
- }
-
- return question.toString();
- }
-
- private String generateJuniorQuestion(int operandCount) {
- String question = generatePrimaryQuestion(operandCount);
-
- // 确保至少有一个平方或开根号
- if (random.nextBoolean()) {
- return "√" + (random.nextInt(100) + 1) + " + " + question;
- } else {
- return "(" + (random.nextInt(10) + 1) + ")² + " + question;
- }
- }
-
- private String generateSeniorQuestion(int operandCount) {
- String question = generatePrimaryQuestion(operandCount);
- String[] trigFunctions = {"sin", "cos", "tan"};
-
- // 确保至少有一个三角函数
- return trigFunctions[random.nextInt(trigFunctions.length)] +
- "(" + (random.nextInt(90) + 1) + "°) + " + question;
- }
+package services;
+
+import interfaces.QuestionInterface;
+import models.DifficultyLevel;
+import java.util.Random;
+
+public class MathQuestion implements QuestionInterface {
+ private String questionText;
+ private DifficultyLevel difficulty;
+ private Random random;
+
+ public MathQuestion(DifficultyLevel difficulty) {
+ this.difficulty = difficulty;
+ this.random = new Random();
+ this.questionText = generateQuestion();
+ }
+
+ @Override
+ public String generateQuestion() {
+ int operandCount = random.nextInt(5) + 1;
+ StringBuilder question = new StringBuilder();
+
+ switch (difficulty) {
+ case PRIMARY:
+ question.append(generatePrimaryQuestion(operandCount));
+ break;
+ case JUNIOR:
+ question.append(generateJuniorQuestion(operandCount));
+ break;
+ case SENIOR:
+ question.append(generateSeniorQuestion(operandCount));
+ break;
+ }
+
+ question.append(" = ");
+ return question.toString();
+ }
+
+ @Override
+ public boolean isValid() {
+ return questionText != null && !questionText.trim().isEmpty();
+ }
+
+ @Override
+ public String getQuestionText() {
+ return questionText;
+ }
+
+ @Override
+ public DifficultyLevel getDifficulty() {
+ return difficulty;
+ }
+
+ private String generatePrimaryQuestion(int operandCount) {
+ String[] operators = {"+", "-", "*", "/"};
+ StringBuilder question = new StringBuilder();
+
+ for (int i = 0; i < operandCount; i++) {
+ if (i > 0) {
+ question.append(" ").append(operators[random.nextInt(operators.length)]).append(" ");
+ }
+ question.append(random.nextInt(100) + 1);
+
+ if (operandCount > 2 && random.nextDouble() < 0.3) {
+ question.insert(0, "(").append(")");
+ }
+ }
+ return question.toString();
+ }
+
+ private String generateJuniorQuestion(int operandCount) {
+ String question = generatePrimaryQuestion(operandCount);
+ if (random.nextBoolean()) {
+ return "√" + (random.nextInt(100) + 1) + " + " + question;
+ } else {
+ return "(" + (random.nextInt(10) + 1) + ")² + " + question;
+ }
+ }
+
+ private String generateSeniorQuestion(int operandCount) {
+ String question = generatePrimaryQuestion(operandCount);
+ String[] trigFunctions = {"sin", "cos", "tan"};
+ return trigFunctions[random.nextInt(trigFunctions.length)] +
+ "(" + (random.nextInt(90) + 1) + "°) + " + question;
+ }
}
\ No newline at end of file
diff --git a/src/services/QuestionGenerator.java b/src/services/QuestionGenerator.java
new file mode 100644
index 0000000..08ebb15
--- /dev/null
+++ b/src/services/QuestionGenerator.java
@@ -0,0 +1,42 @@
+package services;
+
+import interfaces.QuestionInterface;
+import models.DifficultyLevel;
+import java.util.HashSet;
+import java.util.Random;
+import java.util.Set;
+
+public class QuestionGenerator {
+ private Random random;
+ private FileManager fileManager;
+
+ public QuestionGenerator() {
+ random = new Random();
+ fileManager = new FileManager();
+ }
+
+ public String[] generateQuestions(DifficultyLevel level, int count, String username) {
+ Set existingQuestions = fileManager.loadExistingQuestions(username);
+ Set newQuestions = new HashSet<>();
+ String[] questions = new String[count];
+
+ for (int i = 0; i < count; i++) {
+ QuestionInterface question;
+ int attempts = 0;
+
+ do {
+ question = new MathQuestion(level);
+ attempts++;
+ if (attempts > 100) {
+ return null;
+ }
+ } while (existingQuestions.contains(question.getQuestionText()) ||
+ newQuestions.contains(question.getQuestionText()));
+
+ newQuestions.add(question.getQuestionText());
+ questions[i] = (i + 1) + ". " + question.getQuestionText();
+ }
+
+ return questions;
+ }
+}
\ No newline at end of file
diff --git a/软件工程导论-个人项目需求-2025.pdf b/软件工程导论-个人项目需求-2025.pdf
new file mode 100644
index 0000000..27e68f0
Binary files /dev/null and b/软件工程导论-个人项目需求-2025.pdf differ