Java 线程的问题
我的线程更新,我需要修复这个错误,你能帮我吗 抱歉是我的错这是我必须做的: 此web应用程序必须执行1000个游戏并显示输出结果 我再次道歉 谢谢Java 线程的问题,java,multithreading,Java,Multithreading,我的线程更新,我需要修复这个错误,你能帮我吗 抱歉是我的错这是我必须做的: 此web应用程序必须执行1000个游戏并显示输出结果 我再次道歉 谢谢 /** * * Automatic agent to play 1000 games * */ public class AutoPlayer implements Runnable { private RequestDispatcher requestDispatcher; public AutoPlayer(Req
/**
*
* Automatic agent to play 1000 games
*
*/
public class AutoPlayer implements Runnable {
private RequestDispatcher requestDispatcher;
public AutoPlayer(RequestDispatcher requestDispatcher) {
this.requestDispatcher = requestDispatcher;
}
public static void main(String[] args) {
HashMap<String, Game> games = new HashMap<String, Game>();
RequestDispatcher rd = new RequestDispatcher(games);
Vector<Thread> threads = new Vector<Thread>();
for (int i = 0; i < 10; i++) {
AutoPlayer autoPlayer = new AutoPlayer(rd);
Thread thread = new Thread(autoPlayer);
threads.add(thread);
thread.start();
}
for (int i = 0; i < threads.size(); i++) {
try {
threads.get(i).join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Override
public void run() {
PlayResponse response = null;
for (int i = 0; i < 1000; i++) {
byte[] numbers = requestDispatcher.cardRequest();
try {
response = new PlayResponse();
requestDispatcher.process("Lucky", 10, numbers, response);
} catch (UnknownGameException e) {
e.printStackTrace();
}
if (response != null) {
System.out.println("[" + Thread.currentThread() + "] total requests:" + requestDispatcher.generatedCards);
}
}
}
}
public class Game {
private String name;
private int gamesPlayed;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getGamesPlayed() {
return gamesPlayed;
}
public void setGamesPlayed(int gamesPlayed) {
this.gamesPlayed = gamesPlayed;
}
}
/**
*
* Response to a Play request
*
*/
public class PlayResponse {
private boolean error;
private long win;
public boolean isError() {
return error;
}
public void setError(boolean error) {
this.error = error;
}
public long getWin() {
return win;
}
public void setWin(long win) {
this.win = win;
}
}
/**
*
* Object that processes play requests, calculates outcomes and returns results.
*
*/
public class RequestDispatcher {
List<String> list = Arrays.asList("Lucky", "Happy", "Extra");
final int CARD_SIZE = 15;
public String GAME_UNAVAILABLE = "Error: Game not available";
Map<String, Game> games;
long generatedCards;
Logger logger = Logger.getLogger(getClass().getName());
Random r = new Random();
public RequestDispatcher(HashMap<String, Game> games) {
this.games = games;
}
public byte[] cardRequest() {
byte[] result = createCard();
generatedCards++;
return result;
}
private byte[] createCard() {
byte[] result = new byte[CARD_SIZE];
r.nextBytes(result);
return result;
}
public void process(String s, int i, byte[] bb, PlayResponse pr0) throws UnknownGameException {
if (!list.contains(s)) {
logger.log(Level.SEVERE, GAME_UNAVAILABLE);
throw new UnknownGameException(GAME_UNAVAILABLE);
}
Game game = games.get(s);
if (game != null) {
game.setGamesPlayed(game.getGamesPlayed() + 1);
} else {
Game g = new Game();
g.setName(s);
games.put(s, g);
g.setGamesPlayed(0);
}
pr0.setWin(r.nextInt(3) * i);
pr0.setError(false);
}
}
public class UnknownGameException extends Exception {
private static final long serialVersionUID = 2380720995275983122L;
public UnknownGameException(String s) {
super(s);
}
}
代码在main中创建10个线程。每个线程在运行中玩1000个游戏。这意味着总共有10*1000=10000场比赛
< P>改变游戏的数量只是改变这些数字。 < P>如果你需要使用10个线程执行1000次运行,请考虑以下选项。 使每个线程执行100次。 使用线程之间共享的静态计数器,当计数器达到1000时停止执行。确保计数器使用AtomicInteger,以确保它是线程安全的。
在代码中,您将在main中创建10个线程。
只需更改线程数量,并对共享字段和方法使用同步。这是大量代码。你能提供一个简单的工作示例吗?还请看一下请删减/减少代码的大小。方法setError、getName、getWin、setWin是否与您遇到的问题相关?如果你有太多的代码,人们会忽略这个问题。代码中的记录器与您提出的问题无关。删除它。您如何验证1000个线程,循环启动10个线程,主线程加入其中,这些线程不再启动任何线程??看起来运行中的代码需要使用10个线程总共执行1000次。对吗?为什么不让循环1-100x10个线程=1000?