[Original] C ++ custom class (1)

1 // TestClass. h /////////////////////////////////////
2 class TestClass
3 {
4 public:
5 void Test ();
6 int;
7 private:
8 int B;
9 public:
10 static int c;
11}; // do not forget to include this Semicolon. Otherwise, the following cpp will prompt the error message indicating that the semicolon is missing in namespace.
12
13 // C ++ BaseTest. cpp /////////////////////////////////////
14 # include "stdafx. h"
15 # include "TestClass. h"
16
17 # include <iostream>
18 using namespace std;
19
20 TestClass tc;
21 // tc. a = 10;
22 // tc. B = 30; // you will find that an error is reported when you initialize the TestClass member variable as a global variable.
23 int TestClass: c = 8; // static variable of the class. The definition does not need to be static before it. Otherwise, an error is returned. It is the shared value of all class objects.
24
25 void TestClass: Test ()
26 {
27 B = 20;
28 cout <a <"" <B <"" <c <endl;
29}
30
31 int _ tmain (int argc, _ TCHAR * argv [])
32 {
33 tc. a = 10; // The member variables of the class object are correctly initialized locally. The member variables of the object belong to the object.
34 // For example, here you have assigned a value to Member a of the object tc. In the Test function, the value of a is the member a of the object tc.
35 cout <tc. a <endl;
36 tc. Test ();
37 while (true)
38 {
39}
40 return 0;
41}