Logik verbessert

src/main/java/ChatGUI.java

@@ -136,8 +136,10 @@ public class ChatGUI implements ActionListener {
 		if (e.getSource() == inputTextField || e.getSource() == sendButton) {
 			String inputText = inputTextField.getText();
 			inputTextField.setText("");
+			if (!inputText.isEmpty()) {
 			addMessage(inputText);
 			}
+		}
 		if (e.getSource() == red) {
 			outputTextArea.setForeground(Color.RED);
 
@@ -161,8 +163,10 @@ public class ChatGUI implements ActionListener {
 			String message = inputTextField.getText();
 			inputTextField.setText("");
 			addMessage(message);
+			if(!message.isEmpty()) {
 			sendPopupMessage(message);
 			}
+		}
 
 	}