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public static void aaa() throws InterruptedException {
Thread t = new Thread(new Runnable() {
@Override
public void run() {
try {
System.out.println("ready!!!");
LockSupport.park();//阻塞
System.out.println("go!!!!");
} catch (Exception e) {
e.printStackTrace();
}
}
});
t.start();// 启动时阻塞
// 3秒后执行发放通行证
Thread.sleep(3000);
t.interrupt();
}