关于java的QuickHit打字游戏小项目

public class Player {
    Scanner input = new Scanner(System.in);
    //玩家属性
    private int level = 0;//等级
    private int curScore = 0;//积分
    private long stratTime = 0;//开始时间
    private int elapsdTime = 0;//所用时间

    //封装
    public int getLevel() {
        return level;
    }

    public void setLevel(int level) {
        this.level = level;
    }

    public int getCurScore() {
        return curScore;
    }

    public void setCurScore(int curScore) {
        this.curScore = curScore;
    }

    public long getStartTime() {
        return stratTime;
    }

    public void setStartTime(int strTime) {
        this.stratTime = strTime;
    }

    public int getElapsdTime() {
        return elapsdTime;
    }

    public void setElapsdTime(int elapsdTime) {
        this.elapsdTime = elapsdTime;
    }

    //封装
    Game game = new Game(this);//创建游戏对象，并装入玩家
    public void play ()throws Exception//玩游戏
    {
        for (int i = 0; i <LevelParam.levels.length; i++) {//游玩次数
            //一次通关
            Level level = LevelParam.levels[this.level];
            this.stratTime = System.currentTimeMillis();
            for (int j = 1; j <= level.getStrTime(); j++) {
                System.out.println("第" + j + "次");
                String out = game.pringStr();//接收字符串
                String in = input.next();//接收玩家输入的字符串
                game.printResult(out, in);//比较并打印结果
            }
            this.curScore += level.getPerSore();
            System.out.println("通过第" + (this.level + 1) + "关，积分：" + curScore);
            this.level++;//等级增加
            //一次通关
        }
    }
}

public class Game {
    private Player player;//玩家
    public Game(){}//构造
    public Game(Player player){this.player=player;}//构造
    String pringStr()//输出字符串方法
    {
        Level level = LevelParam.levels[this.player.getLevel()];
        Random random = new Random();
        StringBuffer sb=new StringBuffer();
        for (int i = 0; i < level.getStrLength(); i++) {
            int rand = random.nextInt(6);
            switch(rand)
            {
                case 0:
                    sb.append("a");
                    break;
                case 1:
                    sb.append("b");
                    break;
                case 2:
                    sb.append("c");
                    break;
                case 3:
                    sb.append("d");
                    break;
                case 4:
                    sb.append("e");
                    break;
                case 5:
                    sb.append("f");
                    break;
            }
        }
        System.out.println(sb.toString());
        return sb.toString();
    }

    public void printResult(String out,String in)//比较结果
    {
        if(out.equals(in))
        {
            System.out.println("输入成功");
            long endtime=System.currentTimeMillis();
            double timecha=(endtime-this.player.getStartTime())*1.0/1000;
            if(timecha>(LevelParam.levels[this.player.getLevel()].getTimeLimit()))
            {
                System.out.println("输入超时游戏结束");
                System.exit(0);
            }
        }
        else{
            System.out.println("输入失败，退出游戏");
            System.exit(0);
        }
    }
}

public class Level {
    public int getLevelON() {
        return levelON;
    }

    public void setLevelON(int levelON) {
        this.levelON = levelON;
    }

    public int getStrLength() {
        return strLength;
    }

    public void setStrLength(int strLength) {
        this.strLength = strLength;
    }

    public int getStrTime() {
        return strTime;
    }

    public void setStrTime(int strTime) {
        this.strTime = strTime;
    }

    public int getTimeLimit() {
        return timeLimit;
    }

    public void setTimeLimit(int timeLimit) {
        this.timeLimit = timeLimit;
    }

    public int getPerSore() {
        return perSore;
    }

    public void setPerSore(int perSore) {
        this.perSore = perSore;
    }

    private int levelON=0;//等级
    private int  strLength=0;//字符串长度
    private int strTime=0;//输入次数
    private int timeLimit=0;//时间限制
    private int perSore=0;//该等级得分
   //构造
    public Level(){}
    public Level(int levelON, int strLength, int strTime, int timeLimit, int perSore) {
        this.levelON = levelON;
        this.strLength = strLength;
        this.strTime = strTime;
        this.timeLimit = timeLimit;
        this.perSore = perSore;
    }
    //构造
}

public class LevelParam {
    public static final Level levels[]=new Level[6];//常量数组属性
    static{//设置并初始化等级难度
        //等级，输入字数，输入次数，时间限制，得分
        levels[0]=new Level(1,2,2,30,1);
        levels[1]=new Level(1,3,2,30,2);
        levels[2]=new Level(1,4,2,30,3);
        levels[3]=new Level(1,5,2,30,4);
        levels[4]=new Level(1,6,2,30,5);
        levels[5]=new Level(1,7,2,30,6);
    }
}
这个项目中，切实体会的是项目的面向对象设计，以及编程思想的重要。
其中使用构造以及static来初始化参数和传参，对于初学的我来说
的确是很巧妙的运用方法，
在我试图使用C++来写这个程序的时候，也切实体会到了编程语言上的实际差异
很多东西使用c++实现起来没有java方便，当然主要是我的理解还不够以及
对于C++的编程思路和技巧掌握不到位，以至于我现在还没有完成。我会尽量
完成它以提高自己的理解。