Factory Design Pattern

class Main {
    public static void main(String[] args) {
        ToyFactory toyFactory = new ToyFactory();

        // Create a Car toy
        Toy car = toyFactory.createToy("CAR");
        car.play();  // Output: Vroom! Car toy is moving.

        // Create a Doll toy
        Toy doll = toyFactory.createToy("DOLL");
        doll.play();  // Output: Hello! Doll toy is talking
    }
}

// Create a Toy interface
interface Toy {
    void play();
}

// Implement concrete Toy classes
class CarToy implements Toy {
    @Override
    public void play() {
        System.out.println("Vroom! Car toy is moving.");
    }
}

class DollToy implements Toy {
    @Override
    public void play() {
        System.out.println("Hello! Doll toy is talking.");
    }
}

// Create the ToyFactory class
class ToyFactory {
    // Factory method to create toys based on type
    public Toy createToy(String toyType) {
        if (toyType == null) {
            return null;
        }
        if (toyType.equalsIgnoreCase("CAR")) {
            return new CarToy();
        } else if (toyType.equalsIgnoreCase("DOLL")) {
            return new DollToy();
        }
        return null;
    }
}