Merge branch 'Bobcodiz:main' into main

ChatApp/src/Client.java

@@ -9,7 +9,7 @@ public class Client {
     public static void main(String[] args) {
         String SERVER_IP = null;
         Scanner scanner = new Scanner(System.in);
-        System.out.println("Enter the server ip address: ");
+        System.out.println("Enter the server IP address: ");
         // Read the server IP address from the user input
         SERVER_IP = scanner.nextLine();
 
@@ -46,8 +46,20 @@ public static void main(String[] args) {
                 // Send each user input message to the server
                 out.println(userMessage);
             }
+        }catch (UnknownHostException e) {
+            // Handling UnknownHostException
+            System.err.println("Error: The IP address of the host could not be determined.");
+            System.err.println("Please check the IP address and try again.");
+        } catch (ConnectException e) {
+            // Handling ConnectException
+            System.err.println("Error: Unable to connect to the server. Connection refused.");
+            System.err.println("Possible causes:");
+            System.err.println("- The server is not running.");
+            System.err.println("- The IP address is incorrect.");
+            System.err.println("Please check the server status and the IP address then try again.");
         } catch (IOException e) {
-            // Handle IO exceptions that may occur during client operation
+            // Handle other IO exceptions
+            System.err.println("Error: An I/O error occurred while trying to connect to the server.");
             e.printStackTrace();
         }
     }

ChatApp/src/ClientHandler.java

@@ -27,6 +27,7 @@ public ClientHandler(Socket socket, Set<ClientHandler> clientHandlers) throws IO
     public void run() {
 
         try {
+
             synchronized (clientHandlers) {
                 for (ClientHandler clientHandler : clientHandlers) {
                     clientHandler.setName(clientName);