1 // Cplus001.cpp : Defines the entry point for the console application.
 2 //
 3 
 4 #include "stdafx.h"
 5 #include "iostream"
 6 #include "string"
 7 
 8 using namespace std;
 9 
10 //the definition of class
11 class Person
12 {
13 public:
14     void speak();
15 private:
16     string words = "";
17     void getwords();
18 };
19 
20 
21 
22 int _tmain(int argc, _TCHAR* argv[])
23 {
24     string str;
25     cout << "Please Input the Words:" ;
26     cin >> str;
27     cout << "The input is :" << str << endl;
28     Person *p = new Person();
29     p->speak();
30     return 0;
31 }
32 
33 //the realization of class
34 void Person::getwords()
35 {
36     words = "Welcome to China!";
37 }
38 void Person::speak()
39 {
40     getwords();
41     int num = words.length();
42     cout << "I will say " << num << " letter." << endl;
43     cout << words << endl;
44 }