public static void main(String[] args) throws InterruptedException {
List<Thread> threads = new ArrayList<>();
final int untilSuccessCount = 2;
final int threadCount = 10;
AtomicInteger counter = new AtomicInteger(0);
CountDownLatch latch = new CountDownLatch(1);
for (int i = 0; i < threadCount; i++) {
int finalI = i;
Thread thread = new Thread(() -> {
// 模拟耗时任务
Random random = new Random();
// 直接使用线程的 interrupt 中断标记
while (!Thread.interrupted()) {
try {
Thread.sleep((long) finalI * 1000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return;
}
if (random.nextBoolean()) {
if (counter.incrementAndGet() == untilSuccessCount) {
latch.countDown();
}
return;
}
}
});
thread.start();
threads.add(thread);
}
// 可以启动一个线程，等待所有 thread 完成后 latch.countDown ，防止一直等待。
// 或者加一个 allDoneLatch 也可以实现
latch.await();
threads.forEach(Thread::interrupt); // 中断其他线程
System.out.println(counter.get());
}