friend istream&operator >(istream&in, dataList<K,E>&InList); /输入 protected; dataNode<K,E>*Element; /川数据表存储数组 int ArraySize,CurrentSize; /数组最大长度和当前长度 }; 10friend istream& operator >> (istream& in, dataList<K, E>& InList); //输入 protected: dataNode<K, E> *Element; //数据表存储数组 int ArraySize, CurrentSize; //数组最大长度和当前长度 }; 10