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19. 在下面的类定义中,错误的语句是()。 class sample{ public: sample(int val); //① ~sample(); //② private: int a=2.5; //③ public: sample(); //④ };

A.①

B.②

C.③

D.④


参考答案和解析
类定义完成后系统为其分配相应的内存空间
更多 “19. 在下面的类定义中,错误的语句是()。 class sample{ public: sample(int val); //① ~sample(); //② private: int a=2.5; //③ public: sample(); //④ };A.①B.②C.③D.④” 相关考题
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