// Target interface
interface ModernMessageSender {
    void sendMessage(String message, String recipient);
}

// Adaptee interface
interface OldMessageSender {
    int send(String[] messageData);
}

// Concrete Adaptee
class OldMessageSystem implements OldMessageSender {
    @Override
    public int send(String[] messageData) {
        System.out.println(
            "OldMessageSystem: Sending message: " 
            + messageData[0] + " to " + messageData[1]
        );
        return 1; // Success code
    }
}

// Adapter
class MessageAdapter implements ModernMessageSender {
    private OldMessageSender oldSystem;

    public MessageAdapter(OldMessageSender oldSystem) {
        this.oldSystem = oldSystem;
    }

    @Override
    public void sendMessage(String message, String recipient) {
        String[] messageData = {message, recipient};
        int result = oldSystem.send(messageData);
        if (result != 1) {
            System.out.println("Failed to send message");
        }
    }
}

// Client
class Main {
    public static void main(String[] args) {
        OldMessageSender oldSystem = new OldMessageSystem();
        ModernMessageSender adapter = new MessageAdapter(oldSystem);

        adapter.sendMessage("Hello, World!", "[email protected]");
    }
}

// The target interface
interface DisplayAdapter {
    void display();
}

// Adaptees
class USB {
    void connectWithUsbCable(String data) {
        System.out.println("Displaying via USB with data: " + data);
    }
}

class HDMI {
    void connectWithHdmiCable(int resolution) {
        System.out.println(
        "Displaying via HDMI with resolution: " + resolution + "p"
        );
    }
}

class VGA {
    void connectWithVgaCable(boolean highQuality) {
        System.out.println(
        "Displaying via VGA with high quality: " + highQuality
        );
    }
}

class USBAdapter implements DisplayAdapter {
    private USB usb;
    private String data;
    public USBAdapter(USB usb, String data) {
        this.usb = usb;
        this.data = data;
    }

    @Override
    public void display() {
        usb.connectWithUsbCable(data);
    }
}

class HDMIAdapter implements DisplayAdapter {
    private HDMI hdmi;
    private int resolution;
    public HDMIAdapter(HDMI hdmi, int resolution) {
        this.hdmi = hdmi;
        this.resolution = resolution;
    }

    @Override
    public void display() {
        hdmi.connectWithHdmiCable(resolution);
    }
}

class VGAAdapter implements DisplayAdapter {
    private VGA vga;
    private boolean highQuality;
    public VGAAdapter(VGA vga, boolean highQuality) {
        this.vga = vga;
        this.highQuality = highQuality;
    }

    @Override
    public void display() {
        vga.connectWithVgaCable(highQuality);
    }
}

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        USB usb = new USB();
        HDMI hdmi = new HDMI();
        VGA vga = new VGA();

        List<DisplayAdapter> adapters = new ArrayList<>();
        adapters.add(new USBAdapter(usb, "Video Data"));
        adapters.add(new HDMIAdapter(hdmi, 1080));
        adapters.add(new VGAAdapter(vga, true));

        for (DisplayAdapter adapter : adapters) {
            adapter.display();
        }
    }
}