AbstractFactoryPattern

// Abstract Product: Button
interface Button {
    void click();
}

// Concrete Products: WindowsButton and MacOSButton
class WindowsButton implements Button {
    @Override
    public void click() {
        System.out.println("Windows button clicked");
    }
}

class MacOSButton implements Button {
    @Override
    public void click() {
        System.out.println("MacOS button clicked");
    }
}

// Abstract Product: Checkbox
interface Checkbox {
    void check();
}

// Concrete Products: WindowsCheckbox and MacOSCheckbox
class WindowsCheckbox implements Checkbox {
    @Override
    public void check() {
        System.out.println("Windows checkbox checked");
    }
}

class MacOSCheckbox implements Checkbox {
    @Override
    public void check() {
        System.out.println("MacOS checkbox checked");
    }
}

// Abstract Factory: GUIFactory
interface GUIFactory {
    Button createButton();
    Checkbox createCheckbox();
}

// Concrete Factories: WindowsFactory and MacOSFactory
class WindowsFactory implements GUIFactory {
    @Override
    public Button createButton() {
        return new WindowsButton();
    }

    @Override
    public Checkbox createCheckbox() {
        return new WindowsCheckbox();
    }
}

class MacOSFactory implements GUIFactory {
    @Override
    public Button createButton() {
        return new MacOSButton();
    }

    @Override
    public Checkbox createCheckbox() {
        return new MacOSCheckbox();
    }
}

// Client Code
public class Application {
    private GUIFactory guiFactory;
    private Button button;
    private Checkbox checkbox;

    public Application(GUIFactory guiFactory) {
        this.guiFactory = guiFactory;
        this.button = guiFactory.createButton();
        this.checkbox = guiFactory.createCheckbox();
    }

    public void run() {
        button.click();
        checkbox.check();
    }

    public static void main(String[] args) {
        // Creating UI components for Windows platform
        Application windowsApp = new Application(new WindowsFactory());
        windowsApp.run();

        // Creating UI components for MacOS platform
        Application macosApp = new Application(new MacOSFactory());
        macosApp.run();
    }
}