What are C++ standard templates?

Can you explain what C++ standard templates are?

C++ standard templates are a powerful feature that allows you to create generic classes and functions. They enable code reusability and type safety.

How do I use a template in C++?

To use a template, you define it using the template keyword followed by template parameters. For example, template<typename T> T add(T a, T b) { return a + b; }.

What are some common standard template library (STL) containers?

Common STL containers include vector, list, deque, set, map, and unordered_map. Each serves different purposes.

Can you give an example of a template class?

Sure! Here's a simple example of a template class:

template<typename T>
class Box {
private:
    T item;
public:
    Box(T item) : item(item) {}
    T getItem() { return item; }
};