The difference

Question

In Java I can do this :
class Program extends Vector { }

why can't I do this in c++
class Program : public vector { };

can AnyOne tell me why??

Answer 1

vector is a template class, so you'd have to implement the template parameter(s), like so

template <class T, class Alloc = std::allocator<T>>
class Program : public std::vector<T, Alloc> { ... };

Answer 2

@Madera
That means I can do it. but I didn't know how.
Thank you.