新手求救：如何将对象中私有成员的字符串变量输出？？（勿喷……）

#include<iostream>
using namespace std;
class Owner{
private:
string name;
string sex;
int age;
string career;
public:
Owner(string n,string s,int a,string c);
void show();
};
Owner::Owner(string n,string s,int a,string c){
name = n;
sex = s;
age = a;
career = c;
}
void Owner::show(){
cout<<name;//这里出错……

}

void main(){
Owner a("weiwei","men",22,"college student");
a.show();
}
[解决办法]
加上#include <string>头文件既可