這是實例化對象了么?
class?Line { public: Line(); ~Line(); void?setA(int?x,?int?y); void?setB(int?x,?int?y); void?printfo(); private: Coordinate?m_coorA; Coordinate?m_coorB; };
這里面m_coorA其實就是在這個類中被實例化了么?
class?Line { public: Line(); ~Line(); void?setA(int?x,?int?y); void?setB(int?x,?int?y); void?printfo(); private: Coordinate?m_coorA; Coordinate?m_coorB; };
這里面m_coorA其實就是在這個類中被實例化了么?
2016-11-25
舉報
2016-11-26
實例化 Line 對象時,先在棧中實例化 m_coorA 和 m_coorB 的對象,然后才完成實例化 Line 對象的操作
2022-03-27
concat()連接數據,join()分割數據。for(score=53;score<60;score ){count ;}或者for(score=53;score<60;score ,count );