Java小程序-猜数字程序（只能玩有限次）

package cn.itcast_03;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;import java.io.Reader;import java.io.Writer;import java.util.Properties;public class PropertiesTset  {public static void main(String[] args) throws IOException {    Properties prop=new Properties();    Reader r=new FileReader("e:\\c.txt");    prop.load(r);    r.close();    String value=prop.getProperty("count");    int number=Integer.parseInt(value);    if(number>=5){        System.out.println("游戏试玩已结束，请付费");    }else{    number++;    prop.setProperty("count",String.valueOf(number) );    Writer w=new FileWriter("e:\\c.txt");    prop.store(w, null);    w.close();    GuessNumber.start();    }}}