How can I use enums in C++ classes?

How can I use enums in C++ classes?

You can define an enum inside a class to represent a set of named integral constants. Would you like an example?

Yes, please provide an example of using an enum in a class.

Sure! Here's a simple example:

class TrafficLight {
public:
    enum State { RED, YELLOW, GREEN };
    State currentState;

    TrafficLight() : currentState(RED) {}
    void change() {
        currentState = (currentState == RED) ? GREEN : (currentState == GREEN) ? YELLOW : RED;
    }
};

This defines a TrafficLight class with an enum for its states.

How do I access the enum values?

You can access the enum values using the class name followed by the scope resolution operator. For example:

TrafficLight::State lightState = TrafficLight::RED;