p308 类模板的使用.cpp

来自「谭浩强 《C++ 程序设计》第三版的部分课后练习题源码」· C++ 代码 · 共 47 行

#include<iostream>
using namespace std;
template <class numtype>
class Compare
{
      public:
             Compare(numtype x,numtype y):x(x),y(y){} 
             
             void display();
      private:
              numtype x,y; 
              numtype max();
              numtype min();
      
      
}; 

template <class numtype>
numtype Compare <numtype>::max()
{
        return(x>y? x:y);
}

template <class numtype>
numtype Compare <numtype>::min()
{
        return(x<y? x:y);
}

template <class numtype>
void Compare<numtype>::display()
{
     cout<<"the max is:  "<<max()<<endl;
     cout<<"the min is : "<<min()<<endl;
     
}
int main()
{  Compare <int> comp1(3,7);
   comp1.display();
   Compare<float> comp2(34.56,43.66);
   comp2.display();
   Compare <char> comp3('d','e');
   comp3.display();
   system("pause");
   return 0;
}