我正在尝试创建一个具有优先级的ThreadPoolExecutor。所以我定义了一个privatestaticThreadPoolExecutorthreadpool=newThreadPoolExecutor(30,MAXPOOL,MAXPOOL,TimeUnit.SECONDS,queue,newmThreadFactory());所以现在关键是队列引用。但是当我声明时:staticPriorityBlockingQueuequeue=newPriorityBlockingQueue(MAXPOOL,newDownloadThreadComparator());编译器在第一行给出错