12.cpp

<img src="http://img.blog.csdn.net/20150420160731033" alt="" /><pre class="html" name="code">#include <iostream> using namespace std; template<class numtype> class Compare {public:  Compare(numtype a,numtype b); numtype max(); numtype min(); private:  numtype x,y; };  template <class numtype>  Compare<numtype>::Compare(numtype a,numtype b) {x=a;y=b;}  template <class numtype>  numtype Compare<numtype>::max() {return (x>y)?x:y;}  template <class numtype>  numtype Compare<numtype>::min() {return (x<y)?x:y;} int main()  {Compare<int> cmp1(3,7);  cout<<cmp1.max()<<" is the Maximum of two integer numbers."<<endl;  cout<<cmp1.min()<<" is the Minimum of two integer numbers."<<endl<<endl; Compare<float> cmp2(45.78,93.6);  cout<<cmp2.max()<<" is the Maximum of two float numbers."<<endl; cout<<cmp2.min()<<" is the Minimum of two float numbers."<<endl<<endl; Compare<char> cmp3('a','A');  cout<<cmp3.max()<<" is the Maximum of two characters."<<endl; cout<<cmp3.min()<<" is the Minimum of two characters."<<endl;  return 0; }