Java health program

<------Server Class------->

import java.io.*;
import java.net.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;

public class Exercise31_01Server {
    public static void main(String[] args) {
        try (ServerSocket serverSocket = new ServerSocket(8000)) {
            System.out.println("Server started..");

            while (true) {
                Socket socket = serverSocket.accept();
                System.out.println("Client connected..");
                
                DataInputStream inputFromClient = new DataInputStream(socket.getInputStream());
                DataOutputStream outputToClient = new DataOutputStream(socket.getOutputStream());
                
                double weight = inputFromClient.readDouble();
                double height = inputFromClient.readDouble();

                double bmi = weight / (height * height);
                String status;
                
                if (bmi < 18.5) {
                    status = "Underweight";
                } else if (bmi < 25.0) {
                    status = "Normal";
                } else if (bmi < 30.0) {
                    status = "Overweight";
                } else {
                    status = "Obese";
                }
                
                outputToClient.writeUTF(status);
                
                System.out.printf("From client\nWeight: %.2f kg\nHeight: %.2f meter\nBMI=%.2f\n", weight, height, bmi);
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

<------Client Class------->

class Exercise31_01Client {
    public static void main(String[] args) {
        try (Socket socket = new Socket("localhost", 8000)) {
            System.out.println("Client Started..");
            
            DataOutputStream outputToServer = new DataOutputStream(socket.getOutputStream());
            DataInputStream inputFromServer = new DataInputStream(socket.getInputStream());
            
            Scanner scanner = new Scanner(System.in);
            System.out.print("Enter weight in kg: ");
            double weight = scanner.nextDouble();
            System.out.print("Enter height in meters: ");
            double height = scanner.nextDouble();
            
            outputToServer.writeDouble(weight);
            outputToServer.writeDouble(height);
            
            String status = inputFromServer.readUTF();
            System.out.println("From Server: " + status);
            
            scanner.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}