protected Int count int front rear Queue entryentry[maxqueue]; friend class runway; };∥/结束类 Queue声明 template <class Queue entry> Queue<Queue entry>:: Queue) //Post: The Queue is initialized to be empty i count=0; rear=maxqueue-1; front=0; Iprotected: int count; int front, rear; Queue_entry entry[maxqueue]; friend class Runway; }; // 结束类Queue声明 template <class Queue_entry> Queue<Queue_entry>::Queue( ) // Post: The Queue is initialized to be empty. { count=0; rear=maxqueue-1; front=0; }