//this is the source code
#include<iostream>
using namespace std; template<class datatype>class basis{ //set the template class with parameters public: void swap(datatype*,datatype*); void printv(datatype,datatype);}; //Never lose the stub after a class's definition /******************************* * What's more, in the Object * * orientied c++ programming, * * a template can have its 8 * * argument and parameters * * its arguments can be also a * * class or so. Thus we can * * write the parameter in a <>.* * In the following steps, if * * we write its member * * functions we have to write * * like this. * * *****************************/ template<class datatype> //if we want to call the function in a template class we should add in this header line!!!void basis<datatype>::swap(datatype *firstnum,datatype *secondnum){ datatype temp; temp=*firstnum; *firstnum=*secondnum; *secondnum=temp;}/********************************************************** * If we wanna swap the values of two variables, we have * * numerious of methods. But the basic method is to swap * * the values by referrence. * **********************************************************/template<class datatype>void basis<datatype>::printv(datatype first,datatype second){ cout<<"The value is "<<first<<"and "<<second<<"now."<<endl;}//All the code above can be written in a head fileint main(){ basis<int>intpair; //call the template class and give the variable /*********************************** * The data type is also a kind of * * class, see how we call the * * template class and * * its parameters! * ***********************************/ int inta=1,intb=2; intpair.printv(inta,intb); intpair.swap(&inta,&intb); intpair.printv(inta,intb); basis<float>fpair; float fa=0.1,fb=0.2; fpair.printv(fa,fb); fpair.swap(&fa,&fb); fpair.printv(fa,fb); return 0;}
