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        MultiProcessingExercise

package MultiProcessingExercise120240813;public class MultiProcessingExercise {public static void main(String[] args) {/*需求：一共有1000张电影票,可以在两个窗口领取,假设每次领取的时间为3000毫秒,请用多线程模拟卖票过程并打印剩余电影票的数量*/SellTicketsPro sellTicketsPro = new SellTicketsPro();Thread thread1 = new Thread(sellTicketsPro, "窗口1");Thread thread2 = new Thread(sellTicketsPro, "窗口2");thread1.start();thread2.start();}
}

        SellTickets

package MultiProcessingExercise120240813;public class SellTickets implements Runnable {private static int tickets = 100;private static final Object lock = new Object();@Overridepublic void run() {while (true) {synchronized(lock) {if (tickets == 0) {break;} else {try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}tickets--;System.out.println(Thread.currentThread().getName() + "正在卖第" + (100 - tickets) + "张票");}}}}
}

        SellTicketsPro

package MultiProcessingExercise120240813;import java.util.concurrent.locks.ReentrantLock;public class SellTicketsPro implements Runnable {private static int tickets = 1000;private static final ReentrantLock lock = new ReentrantLock();@Overridepublic void run() {while (tickets > 0) {lock.lock();try {if (tickets > 0) {try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}tickets--;System.out.println(Thread.currentThread().getName() + "正在卖第" + (1000 - tickets) + "张票");}} finally {lock.unlock();}}}
}