Class member variables privatization

. 1 #include <the iostream>
 2 #include < String >
 . 3  the using  namespace STD;
 . 4  / * 
. 5  // member variables privatization advantages:
 6       read and write access control members 1.
 7       2. Test validity reader
 . 8  
. 9  * / 
10  class Point
 . 11  {
 12 is  public : // control read and write access member 
13 is      void setX ( int X)
 14      {
 15          m_x = X;
 16      }
 . 17      int getX ()
 18 is     {
 . 19          return m_x;
 20 is      }
 21 is      void setY ( int Y)
 22 is      {
 23 is          IF (Y < . 5 ) // detect validity reader 
24          {
 25              COUT << " the Y value of less than. 5 " << endl;
 26 is              m_Y = 0 ;
 27              return ;
 28          }
 29          m_Y = Y;
 30      }
 31 is      int getY ()
 32      {
 33 is         return m_Y;
 34 is      }
 35  Private : // member variables privatization 
36      int m_x;
 37 [      int m_Y;
 38 is  };
 39  
40  int main ()
 41 is  {
 42 is      Point Pt;
 43 is      int X, Y;
 44 is      COUT << " Enter X: \ n- " ;
 45      CIN >> X;
 46 is      COUT << " enter y (y is greater than 5, is less than 5 is set to 0): \ n- " ;
 47      CIN >> Y;
 48  
49     pt.setX(x);
50     pt.setY(y);
51 
52     cout << "X值：" << pt.getX() << endl;
53     cout << "Y值：" << pt.getY() << endl;
54 
55     system("pause");
56     return 0;
57 }

Class member variables privatization