e5.cpp

这是一些c＋＋的代码和测试题

#include<iostream.h> 
class Sample 
{ 
  int n; 
public: 
  Sample(int i){n=i;} 
  operator++(){n++;}  
  operator++(int){n+=2;}  
  void disp() 
  { 
    cout<<"n="<<n<<endl; 
  } 
}; 
void main() 
{ 
Sample A(2),B(2); 
A++;  
++B;  
A.disp(); 
B.disp(); 
}