Java实现问卷调查系统方法

class Question {
    String text;
    String[] options;
public Question(String text, String[] options) {
    this.text = text;
    this.options = options;
}
}

List questions = new ArrayList<>();
questions.add(new Question("你对当前服务满意吗？", 
    new String[]{"非常满意", "满意", "一般", "不满意"}));
questions.add(new Question("你多久使用一次该产品？", 
    new String[]{"每天", "每周几次", "每月几次", "很少"}));

Scanner scanner = new Scanner(System.in);
List answers = new ArrayList<>();
for (int i = 0; i < questions.size(); i++) {
Question q = questions.get(i);
System.out.println((i + 1) + ". " + q.text);
for (int j = 0; j < q.options.length; j++) {
System.out.println("   " + (j + 1) + ". " + q.options[j]);
}
System.out.print("请选择（输入数字）：");
while (!scanner.hasNextInt()) {
    System.out.print("请输入有效数字：");
    scanner.next();
}
int choice = scanner.nextInt() - 1;

if (choice >= 0 && choice < q.options.length) {
    answers.add(choice);
} else {
    System.out.println("选择无效，跳过此题。");
    answers.add(-1); // 表示未作答
}
}

System.out.println("\n--- 调查结果 ---");
for (int i = 0; i < questions.size(); i++) {
    System.out.println((i + 1) + ". " + questions.get(i).text);
    int answerIndex = answers.get(i);
    if (answerIndex != -1) {
        System.out.println("   你的选择：" + 
            questions.get(i).options[answerIndex]);
    } else {
        System.out.println("   未作答");
    }
}

try (PrintWriter out = new PrintWriter("survey_result.txt")) {
    for (int i = 0; i < questions.size(); i++) {
        out.println(questions.get(i).text + " -> " + 
            (answers.get(i) == -1 ? "N/A" : 
             questions.get(i).options[answers.get(i)]));
    }
} catch (FileNotFoundException e) {
    System.out.println("无法保存结果。");
}