#include <iostream>
using namespace std;
template <class T1, class T2>
class calc
{
T1 num1;
T2 num2;
public:
calc()
{
cout << "enter num1 \n";
cin >> num1;
cout << "enter num2 \n";
cin >> num2;
}
void choice(int choice)
{
if (choice == 1)
{
cout << "sum is " << num1 + num2 << endl;
}
else if (choice == 2)
{
cout << "difference is " << num1 - num2 << endl;
}
else if (choice == 3)
{
cout << "product is " << num1 * num2 << endl;
}
else if (choice == 4)
{
if (num2 != 0)
{
cout << "division is " << num1 / num2 << endl;
}
else if (num2 == 0)
{
cout << "denominator can't be zero re enter details\n";
}
}
}
};
int main()
{
calc<float, float> obj;
int choice;
cout << "\n enter 1 , 2, 3 , 4\n for sum , difference and product respectively \n";
cin >> choice;
obj.choice(choice);
return 0;
}
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