给看完所有基础视频的同学出个题(是男人就坚持XX秒) - 黑马程序员技术交流社区

package Game.MyselfLittleGame.game;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class LittleGame {
public static void main(String[] args)throws Exception
{
Time timer = new Time();
RandomChar2 rc2 = new RandomChar2();
Thread time = new Thread(timer);
Thread t2 = new Thread(rc2);
time.start(); //计时线程开启
t2.start(); //随机字母生产线程开启
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
StringBuffer sb = new StringBuffer(); //把从键盘录入的字母存入sb中
while(true)
{
String s = buf.readLine(); //读取键盘输入字母
sb.append(s); //把从键盘录入的字母存入sb中
synchronized(LittleGame.class)
{
if(Time.times<10) //时间不能超过10f秒
{
if(sb.toString().equals(rc2.ssb.toString())&&rc2.sign==10) //如果输入无误且达到十次则游戏通过
{
System.out.println("恭喜过关,是否继续！Y/N");
sb.delete(0, sb.length());
rc2.sign = 0;
}
else
if(sb.toString().equals(rc2.ssb.toString())) //键盘输入字母和随机产生的相同无误则继续
{
Time.flag = true; //回车键盘按下后变换标志
sb.delete(0, sb.length()); //删除sb中的所有元素以免受到上次的影响
LittleGame.class.notifyAll();
}
else
if(sb.toString().equals("Y")&&rc2.sign==0)
{
Time.flag = true;
sb.delete(0, sb.length());
LittleGame.class.notifyAll();
}
else //输入有误则退出
{
System.out.println("游戏失败结束!");
break;
}
}
else
{
System.out.println("时间太长游戏结束！"); //时间超过10秒游戏失败
break;
}
}
}
System.out.println(sb.toString());
}
}

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package Game.MyselfLittleGame.game;
import java.util.Random;
public class RandomChar2 implements Runnable
{
private String str = null;
public static int sign = 0;
public StringBuffer ssb = new StringBuffer();
public void run()
{
int a;
int k = 1;
System.out.println("开始");
while(true)
{
synchronized(LittleGame.class)
{
for(int j= 0 ;j<k;j++) //循环输出随机大写字母，当 k =1,2,3,4.....时分别输出相应的字母数
{
a = new Random().nextInt(26); //随机产生一个数
switch(a)
{
case 0: str = "A";break;case 1: str = "B";break;case 2: str = "C";break;case 3: str = "D";break;
case 4: str = "E";break;case 5: str = "F";break;case 6: str = "G";break;case 7: str = "H";break;
case 8: str = "I";break;case 9: str = "J";break;case 10: str = "K";break;case 11: str = "L";break;
case 12: str = "M";break;case 13: str = "N";break;case 14: str = "O";break;case 15: str = "P";break;
case 16: str = "Q";break;case 17: str = "R";break;case 18: str = "S";break;case 19: str = "T";break;
case 20: str = "U";break;case 21: str = "V";break;case 22: str = "W";break;case 23: str = "X";break;
case 24: str = "Y";
break;
case 25: str = "Z";
break;
}
ssb.append(str);
}
k++; //循环一次k就增大一下
sign++; //判断标记，
System.out.println(ssb.toString());
if(sign==10)
k = 1 ;
// System.out.println("\n");
try{LittleGame.class.wait();}catch(Exception e){}
ssb.delete(0, ssb.length()); //每次线程唤醒后就把ssb中的元素清空
}
}
}
}

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package Game.MyselfLittleGame.game;
public class Time implements Runnable
{
public static int times= 0;
public static boolean flag = false;
public void run()
{
while(true)
{
times++;
try{Thread.sleep(1000);}catch(Exception e){}
if(flag)
{
// System.out.println("用时："+times);
flag=false; //每次按下回车键时，就会执行这里的代码一次，
times=0; //把flag变回false 和times置零
}
if(RandomChar2.sign==10)
{
synchronized(LittleGame.class)
{
try{LittleGame.class.wait();}catch(Exception e){} // sign等于十次时，线程等待
}
}
}
}
}

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import java.util.Random;//随机数生成器
import java.util.Scanner;//一个可以使用正则表达式来解析基本类型和字符串的简单文本扫描器
import java.util.Timer;//计时器
import java.util.TimerTask;
public class MyGame
{
//用户产生随机数
public final static Random random = new Random();
//输出的字符串,用户给用户提供一个打印模板
public final static StringBuffer sb = new StringBuffer("");
//每次都会让用户输入的数+1,用作统计用户输入的数
private static int charCounter = 1;
//设定输入时间,因为游戏叫做"是男人就坚持10秒",所以默认值是10
private static final int cancelSecond = 10;
//设定闯关成功字符数
private static final int OK = 10;
public static void main(String[] args)
{
new MyGame().start();
}
//游戏主体
public void start()
{
final Scanner scanner = new Scanner(System.in);
final Timer timer = new Timer();
//下面我用了内部类
timer.schedule(new TimerTask()//schedule()方法:安排在指定的时间执行指定的任务。
{
public void run()
{
long startSecond = System.currentTimeMillis();
for(int i=0;i<charCounter;i++)
{
int randNum=random.nextInt(26);
char character =(char)(randNum+'A');
sb.append(character);
}
System.out.println(sb);
while(true)
{
String inputString = scanner.next();
//如果当前时间-开始时间>默认时间
if(System.currentTimeMillis()-startSecond>cancelSecond*1000)
{
System.out.println("连"+cancelSecond+"秒都坚持不了,还算不算男人");
System.exit(0);//游戏失败，退出。
}
//如果用户输入正确,进入下一关
if(inputString.toUpperCase().equals(sb.toString()))
{
if(charCounter == OK)
{
System.out.println("恭喜闯关成功");
System.exit(0);
}
System.out.println("Go next level");
charCounter++;
sb.delete(0,sb.length());
break;
//否则,提示继续闯关
}else
{
startSecond = System.currentTimeMillis();
System.out.println("Go on to write it");
System.out.println(sb);
}
}
}
},0, 1000);
}
}

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