HelloClient.java

// HelloClient.java
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.List;
import java.util.Scanner;

public class HelloClient {
    
    public static void main(String[] args) {
        try {
            // Get the registry
            Registry registry = LocateRegistry.getRegistry("localhost", 1099);
            
            // Look up the remote object
            HelloInterface stub = (HelloInterface) registry.lookup("HelloService");
            
            // Send messages to server
            Scanner scanner = new Scanner(System.in);
            System.out.println("\n--- Send Messages to Server ---");
            System.out.println("Type your messages (type 'quit' to stop):");
            
            while (true) {
                System.out.print("> ");
                String message = scanner.nextLine();
                
                if (message.equalsIgnoreCase("quit")) {
                    break;
                }
                
                // Send message to server
                stub.sendMessage(message);
                System.out.println("Message sent to server!");
            }
            
            // Retrieve all messages from server
            System.out.println("\n--- All Messages on Server ---");
            List<String> allMessages = stub.getAllMessages();
            for (int i = 0; i < allMessages.size(); i++) {
                System.out.println((i + 1) + ". " + allMessages.get(i));
            }
            
            scanner.close();
            
        } catch (Exception e) {
            System.err.println("Client exception: " + e.toString());
            e.printStackTrace();
        }
    }
}