25.类，对象，成员实例

(@_@)

第一种写法：
1 h- p/ y$ b9 ?9 ?: e( j#include <iostream>
8 c7 E; |4 }  u8 F6 i7 l. n" u, l! R) Iusing namespace std;
class Human
{
public:
void GetHeight(){cout<<Height;}
% n+ ~! }2 R* _- P  ?  M void GetWeight(){cout<<Weight;}
) G* U1 E+ I% x2 m( L& v# ]3 O void SetHeight(int x){Height=x;}
void SetWeight(int y){Weight=y;}
private:
int Height;
  v% {9 L& B: {8 i int Weight;
};

void main(void)
3 v: n# s% L* F& \  M9 i) K! b{
/ G- d" W* W. I. _8 w8 Q* c   Human Lee;
   Lee.SetHeight(172);
   cout<<"Lee的身高是：";
   Lee.GetHeight();
   cout<<endl;
   Lee.SetWeight(120);
   cout<<"Lee的体重是：";
   Lee.GetWeight();
   cout<<endl;
5 T, D. s) U* f  {}
第二种写法：
#include <iostream>
using namespace std;
class Human
{
public:
void GetHeight();
    void GetWeight();
void SetHeight(int x);
) h8 Y0 j+ o8 D* T* L void SetWeight(int y);
/ k# z# ~2 k% a, _) j8 Uprivate:
int Height;
9 h/ T* V! N2 I& K int Weight;
};
void Human::SetHeight(int x)
{
Height=x;
}
void Human::GetHeight()
, a3 V, \  J' j+ @3 T& R6 [/ @4 k{
cout<<Height;
}
void Human::SetWeight(int y)
) z* C: d( n" a2 |{
9 \, N. |. q/ N Weight=y;
}
" [# C4 B8 `# c* ]) R* z% s* vvoid Human::GetWeight()
: t2 G& Q; D1 M: T* T) P{
% i0 {( R5 Y7 i3 M* d: G. @ cout<<Weight;
}
0 j- D0 H2 n4 J; u5 Jvoid main(void)
2 I  V0 \5 X7 k{
   Human Lee;
   Lee.SetHeight(172);
   cout<<"Lee的身高是：";
; Q) |" L# u4 M, x8 N* p+ r' O   Lee.GetHeight();
' D% P/ ]7 H2 F" B) _  X  j   cout<<endl;
8 U" L* y& F7 T% e7 |   Lee.SetWeight(120);
" Y* @' {+ g# M6 N   cout<<"Lee的体重是：";
* N3 O2 T1 ?4 t; i: c   Lee.GetWeight();
   cout<<endl;
( }) T/ v0 H" V" g}
推荐第二种写法

+ B  m8 E$ j5 w7 l