這是實(shí)例化對(duì)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(shí)就是在這個(gè)類中被實(shí)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(shí)就是在這個(gè)類中被實(shí)例化了么?
2016-11-25
舉報(bào)
2016-11-26
實(shí)例化 Line 對(duì)象時(shí),先在棧中實(shí)例化 m_coorA 和 m_coorB 的對(duì)象,然后才完成實(shí)例化 Line 對(duì)象的操作
2022-03-27
concat()連接數(shù)據(jù),join()分割數(shù)據(jù)。for(score=53;score<60;score ){count ;}或者for(score=53;score<60;score ,count );