//main.c #include?<iostream> #include?"Teacher.h" #include?"stdlib.h" using?namespace?std; int?main(void) { Teacher?t1; cout<<?t1.getName()<<"?"<<t1.getAge()<<?endl; Teacher?t2("Marry",12); cout?<<?t2.getName()?<<?"?"?<<?t2.getAge()?<<?endl; Teacher?t3("King",?35,?120?); cout?<<?t3.getName()?<<?"?"?<<?t3.getAge()?<<"?"<<t3.getMax()<<?endl; Teacher?t4=t3; cout?<<?t4.getName()?<<?"?"?<<?t4.getAge()?<<?"?"?<<?t4.getMax()?<<?endl; system("pause"); return?0; } //Teacher.h #include?"string" #include?<iostream> using?namespace?std; class?Teacher { public: //Teacher(string?name?=?"Jim",?int?age?=?30); //Teacher(); Teacher(string?name="Jim",?int?age=30,?int?m=120); Teacher(const?Teacher?&); //Teacher(Teacher?&t); void?setName(string?name); string?getName(); void?setAge(int?age); int?getAge(); int?getMax(); private: string?m_strName; int?m_iAge; int?m_iMax; }; //Teacher.c #include?"Teacher.h" //using?namespace?std; //使用初始化列表 Teacher::Teacher(string?name,?int?age,?int?m)?:?m_strName(name),?m_iAge(age),?m_iMax(m) { //m_iMax?=?m; cout?<<?"Teacher(string?name,?int?age,?int?m)"<<?endl; // m_strName?=?name; // m_iAge?=?age; } //?構造函數的一般初始化 //?Teacher::Teacher(string?name,?int?age,?int?m)? //?{ //? cout?<<?"Teacher(string?name,?int?age)"?<<?endl; //? m_iMax?=?m; //? ????m_strName?=?name; //? m_iAge?=?age; //?} Teacher::Teacher(const?Teacher?&) { cout?<<"Teacher(const?Teacher?&)"?<<?endl; } int?Teacher::getMax() { return?m_iMax; } void?Teacher::setName(string?name) { m_strName?=?name; } string?Teacher::getName() { return?m_strName; } void?Teacher::setAge(int?age) { m_iAge?=?age; } int?Teacher::getAge() { return?m_iAge; }為什么對象t4的輸出與對象t3不同呢？