更新时间:2022-04-06 22:04:32
java.util.Queue
是一个接口,所以不能直接实例化.你可以实例化一个具体的子类,比如LinkedList
:
java.util.Queue
is an interface so you cannot instantiate it directly. You can instantiate a concrete subclass, such as LinkedList
:
Queue<T> q = new LinkedList<T>;