考试答案对应

完成考题类(Question),单选题(SingleChoice)和多选题(MoreChoice)是其子类。
要求：
1.Question包含题干属性(text),选项：String[] options
Question 包含检测标准答案的方法 boolean check(char[] answers)
参数 answers 用户提供的答案（注意：单选题只有一个答案）
2.MoreChoice和SingleChoice是Question类的子类
MoreChoice包含属性
多选标准答案：char[] answers
SingleChoice包含属性
单选标准答案：char answer
3.在MoreChoice实现参数为(String text,String [] options,char[]
answers)的构造方法
参数text题干
参数options选项
参数answers多选标准答案（正确选项的序号）
4.在SingleChoice 实现参数为(String text,Stirng[] options,char
answer)的构造方法
参数text题干
参数options选项
参数answer标准答案（正确选项的序号）

package Question;
/**
 * 考题类，抽象类
 * @author Administrator
 *
 */
public abstract class Question {
    private String text;//题干
    private String[]options;//选项
    protected Question(){}
    protected Question(String text, String[] options) {
        super();
        this.text = text;
        this.options = options;
    }
    public String getText() {
        return text;
    }
    public void setText(String text) {
        this.text = text;
    }
    public String[] getOptions() {
        return options;
    }
    public void setOptions(String[] options) {
        this.options = options;
    }
    /**
     * 打印题目信息
     */
    public void printQuestion(){
        //输出题干
        System.out.println(text);
        //输出选项
        for(int i=0;i<options.length;i++){
            System.out.println((char)('A'+i)+"."+options[i]);
        }
    }
    /**
     * 抽象方法，判断答案是否正确
     * @param answers
     * @return
     */
    protected abstract boolean check(String[]answers); 
}

package Question;
/**
 * 单选题，继承考题类
 * @author Administrator
 *
 */
public class SingleChoice extends Question {
    public String answers;
    public SingleChoice(String text,String[]options,String answers){
        super(text,options);
        this.answers=answers;
    }
    public String getAnswers() {
        return answers;
    }
    public void setAnswers(String answers) {
        this.answers = answers;
    }
    @Override
    protected boolean check(String[] userAns) {
        return answers.equals(userAns[0]);
    }
}

package Question;

import java.util.Arrays;

/**
 * 多选题，继承考题类
 * @author Administrator
 *
 */
public class MoreChoice extends Question {
    public String[] answers;//标准答案
    
    public MoreChoice(String text,String []options,String[] answers) {
        super(text,options);//调用父类构造方法
        this.answers = answers;
    }

    public String[] getAnswers() {
        return answers;
    }

    public void setAnswers(String[] answers) {
        this.answers = answers;
    }
    @Override//重写标识
    protected boolean check(String[]userAns) {
        Arrays.sort(userAns);
        return Arrays.equals(answers, userAns);
    }
}

package Question;

import java.util.Scanner;
public class TestQuestion {

    public static void main(String[] args) {
        // 存放所有的考题
        Question[] list = new Question[5];
        list[0] = new SingleChoice("今天天气怎么样？", new String[] { "很好", "非常好",
                "不好", "下雨" }, "D");
        list[1] = new SingleChoice("学习Java感觉怎么样？", new String[] { "很爽", "非常爽",
                "一般", "你敢说不爽" }, "A");
        list[2] = new SingleChoice("以下哪个是Java的数据类型？", new String[] { "bool",
                "number", "varchar", "int" }, "D");
        list[3] = new MoreChoice("Java面向对象三大特征是？", new String[] { "封装", "继承",
                "多态", "私有化" }, new String[] { "A", "B", "C" });
        list[4] = new MoreChoice("Java语言的优点？", new String[] { "面向对象", "跨平台",
                "弱类型", "脚本语言" }, new String[] { "A", "B" });

        Scanner input = new Scanner(System.in);
        // 输出考试题目 增强for循环
        for (Question question : list) {
            if (question != null) {
                question.printQuestion();
                System.out.print("请输入正确答案：");
                String ansStr = input.nextLine();// 读取一行
                String[] userAns = ansStr.split(" ");
                if (question.check(userAns)) {// 判断用户答案
                    System.out.println("恭喜你回答正确！");
                } else {
                    System.out.println("很遗憾回答错误！");
                }
            }
        }
    }
}