類模板的使用

#include <iostream> #include <conio.h> #include <string> #define N 3 using namespace std;template <class numtype> class Swap{public :Swap(numtype a,numtype b){x=a;y=b;}numtype ___(){temp=x;x=y;y=temp;return x;}//test numtype ____(){return x;}//testprivate :numtype x,y;numtype temp; };template <class numtypeeee> class Seh_arr{public:Seh_arr(numtypeeee a[N]){for(int i = 0; i < N; ++i){*(x+i)=*(a+i);}}numtypeeee seh(){cout << "input the Number of the element you want:";cin >> T;return x[T-1];}private:numtypeeee x[N];int T;};int main(void){Swap<int > wap1(3,7);cout<<wap1.___( )<<" "<<wap1.____( )<<"--change int."<<endl;Swap<double > wap2(45.78,93.6);cout<<wap2.___( )<<" "<<wap2.____( )<<"--change float."<<endl;Swap<char> wap3('a','A'); cout<<wap3.___( )<<" "<<wap3.____( )<<"--change char."<<endl;Swap<string> wap4("nice", "good");cout<<wap4.___( )<<" "<<wap4.____( )<<"--change char."<<endl;int a[N]={1,2,3};Seh_arr<int>_testInt(a);cout << _testInt.seh() << "--search int."<< endl;float b[N]={1.1, 2.2, 3.3};Seh_arr<float>_testFlo(b);cout << _testFlo.seh() << "--search float." << endl;char c[N]={'a', 'b', 'c'};Seh_arr<char>_testCha(c);cout << _testCha.seh() << "--search char." << endl;string d[N]={"my", "name", "is"};Seh_arr<string>_testStr(d);cout << _testStr.seh() << "--search string." << endl;getch();return 0; }

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轉載于:https://www.cnblogs.com/jzl123/p/6418699.html

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