C++成員函數重載樣本

/*******************************************************
 *author：PengXiaoLin
 *copyright: 著作權，翻版不究
 ******************************************************/

#include <iostream>
#include <string>

using namespace std;

class ADD
{

 public:
  void Sum(int a, int b);
  void Sum(long a, long b);
  void Sum(float a, float b);
  void Sum(double a, double b);

};

int main()
{
 ADD Add;

 Add.Sum(2L,5L); 
 Add.Sum(2332, 1343); 
 Add.Sum(234.342F,65.0F); 
 Add.Sum(1.342513324,65.035436543); 

 while(1);
}

void ADD::Sum(int a, int b)
{
 cout<<"int sum:/n";
 cout<<a + b<<endl;
}
void ADD::Sum(long a, long b)
{
 cout<<"long sum:/n";
 cout<<a + b<<endl;

}
void ADD::Sum(float a, float b)
{
 cout<<"float sum:/n";
 cout<<a + b<<endl;

}
void ADD::Sum(double a, double b)
{
 cout<<"double sum:/n";
 cout<<a + b<<endl;
}