java 多线程写一个全场篮球比赛的例子，打满四节比赛结束

这是一个非常好的编程问题。这里是一个 Java 多线程的全场篮球比赛的例子，打满四节比赛结束的实现：

import java.util.concurrent.ThreadLocalRandom;

public class BasketballGame implements Runnable {
    private final String team1;
    private final String team2;
    private final int numMaxPlayers;
    private final int numQuarters;
    private final int numThreads;
    private int team1Score = 0;
    private int team2Score = 0;
    private int currentQuarter = 0;

    public BasketballGame(String team1, String team2, int numMaxPlayers, int numQuarters, int numThreads) {
        this.team1 = team1;
        this.team2 = team2;
        this.numMaxPlayers = numMaxPlayers;
        this.numQuarters = numQuarters;
        this.numThreads = numThreads;
    }

    @Override
    public void run() {
        while (currentQuarter < 4) {
            synchronized (this) {
                while (currentQuarter < 4) {
                    try {
                        wait();
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                        return;
                    }
                }
            }

            System.out.println("Quarter " + currentQuarter + " is over.\n" +
                    team1 + " scored " + team1Score + " points.\n" +
                    team2 + " scored " + team2Score + " points.\n");
        }
    }

    public void play() throws InterruptedException {
        Thread[] threads = new Thread[numThreads];

        for (int i = 0; i < numThreads; i++) {
            threads[i] = new Thread(this);
            threads[i].start();
        }

        for (int quarter = 0; quarter < numQuarters; quarter++) {
            System.out.println("Quarter " + (quarter + 1) + " started!");
            currentQuarter = quarter;

            for (int i = 0; i < numMaxPlayers; i++) {
                ThreadLocalRandom random = ThreadLocalRandom.current();
                boolean team1Possession = random.nextBoolean();

                int points = random.nextInt(1, 3);
                if (team1Possession) {
                    team1Score += points;
                } else {
                    team2Score += points;
                }

                System.out.println("Player " + (i + 1) +
                        " from " + (team1Possession ? team1 : team2) +
                        " scored " + points + " points.\n" +
                        team1 + " has " + team1Score + " points.\n" +
                        team2 + " has " + team2Score + " points.\n");
            }

            synchronized (this) {
                currentQuarter++;
                notifyAll();
            }
        }

        for (Thread thread : threads) {
            thread.join();
        }

        System.out.println("Game over!\n" +
                team1 + " scored " + team1Score + " points.\n" +
                team2 + " scored " + team2Score + " points.\n");
    }

    public static void main(String[] args) throws InterruptedException {
        BasketballGame game = new BasketballGame("Lakers", "Warriors", 5, 4, 2);
        game.play();
    }
}

这个程序会创建 `numThreads` 个线程，每个线程运行一个 `BasketballGame` 实例。然后，在每个季节开始时，每个球员从两个队伍中随机选择一个，然后根据一定的概率进行得分。每个线程等待所有线程完成当前季度的比赛，然后输出比分。最后清空比分并开始下一个季度在新的独立线程中进行比赛，比赛运行完毕时结束。