FileServer.java

import java.io.*;
import java.net.*;

public class FileServer {
    public static void main(String[] args) throws Exception {
        ServerSocket server = new ServerSocket(5000);
        System.out.println("Server started. Waiting for client...");
        
        Socket client = server.accept();
        System.out.println("Client connected!");
        
        BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
        PrintWriter out = new PrintWriter(client.getOutputStream(), true);
        
        String filename = in.readLine();
        System.out.println("Requested file: " + filename);
        
        File file = new File(filename);
        if (file.exists()) {
            BufferedReader fr = new BufferedReader(new FileReader(file));
            String line;
            while ((line = fr.readLine()) != null) {
                out.println(line);
            }
            fr.close();
        } else {
            out.println("File not found!");
        }
        
        in.close();
        out.close();
        client.close();
        server.close();
    }
}