C++ class templates with multiple parameters

templates< class T1, class T2 >
class classname
{
……
……(body of the class)
……
};

#include<iostream>
using namespace std;
template< class T1, class T2 >
class Test
{
T1 a;
T2 b;
public:
Test(T1 x,T2 y)
{
a=x;
b=y;
}
void show()
{
cout << a << "and" << b << "\n";
}
};
int main()
{
Test <float,int> test1(1.23,123); Test< int,char > test2(100,'w');
test1.show();
test2.show();
};

the output :
1.23 and 123
100 and w