#include<iostream>
using namespace std;

class People
{
    public:
        string name;
        
    // member function declared
    string getName(void);
    void setName(string name);
 };
 
 // member function defined
 string People::getName(void)
 {
     return name;
 }

void People::setName(string yourName) // 不能定义成name，不能和成员变量名相同，需要另起一个形参名字
{
    name = yourName;
}
 
 int main()
 {
     People p1;
     
     p1.setName("rui");
     string yourName = p1.getName();
     cout << "your name is: " << yourName << endl;
     
     return 0;
 }