Java를 활용하여 온라인 시험 시스템의 문제은행 관리 기능 구현

public class QuestionBankManager {
    private List<Question> questionBank;

    public QuestionBankManager() {
        questionBank = new ArrayList<>();
    }

    public void addQuestion(Question question) {
        questionBank.add(question);
        System.out.println("题目添加成功！");
    }

    public void editQuestion(Question question, int index) {
        questionBank.set(index, question);
        System.out.println("题目编辑成功！");
    }

    public void deleteQuestion(int index) {
        questionBank.remove(index);
        System.out.println("题目删除成功！");
    }

    public List<Question> queryQuestion(String keyword) {
        List<Question> result = new ArrayList<>();
        for (Question question : questionBank) {
            if (question.getTitle().contains(keyword)) {
                result.add(question);
            }
        }
        return result;
    }
}

public class Main {
    public static void main(String[] args) {
        QuestionBankManager questionBankManager = new QuestionBankManager();
        // 添加题目
        Question question1 = new Question("题目1", "选项A", "选项B", "选项C", "选项D", "A");
        questionBankManager.addQuestion(question1);
        
        // 编辑题目
        Question question2 = new Question("题目2", "选项A", "选项B", "选项C", "选项D", "B");
        questionBankManager.editQuestion(question2, 0);
        
        // 删除题目
        questionBankManager.deleteQuestion(0);
        
        // 查询题目
        List<Question> queryResult = questionBankManager.queryQuestion("题目");
        for (Question question : queryResult) {
            System.out.println(question.getTitle());
        }
    }
}