#include <string>?

using namespace std;

class Teacher{

public:

Teacher(string name = "xx1", int age = 22, int m = 110);

Teacher(const Teacher &tea);

void setName(string _name);

string getName();

void setGender(string _gender);

string getGender();

void setAge(int _age);

int? getAge();

void teach();

int getMax();

private:

string m_strName;

string m_strGender;

int m_iAge;

const int m_iMax;

};

Teacher::Teacher(string name, int age, int m):m_strName(name),m_iAge(age),m_iMax(m){

cout << "2" << endl;

}

Teacher::Teacher(const Teacher &tea){

cout << "copy" << endl;

}

void Teacher::setGender(string _gender){

m_strGender = _gender;

}

string Teacher::getGender(){

return m_strGender;

}

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;

}

int Teacher::getMax(){

return m_iMax;

}

void Teacher::teach(){

cout << "Class begin .. " << endl;

}

int main(void)

{

Teacher t1;

Teacher t2(t1);

Teacher t3 = t1;

system ("pause");?

return 0;

}

感覺和老師寫的代碼一毛一樣 ， 但總是出這個錯誤..ballball大神解救一下。。。