refactoring: Emojis in ChatClient2

src/main/java/ChatClient.java

@@ -131,10 +131,12 @@ public class ChatClient extends JFrame implements KeyListener {
         
         // Create a panel to hold emoji button
         JPanel emojiPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
-        emojiButton = new JButton("😀"); 
-        emojiButton.setPreferredSize(new Dimension(50, 50));
-        emojiButton.addActionListener(e -> showEmojiPicker());
-        inputPanel.add(emojiPanel, BorderLayout.LINE_END);
+        emojiButton = new JButton("😀"); // Create emoji button with a smiley face
+        emojiButton.setPreferredSize(new Dimension(50, 50));// Set preferred size for the emoji button
+        emojiButton.addActionListener(e -> showEmojiPicker());// Add action listener to show emoji picker when button is clicked
+        
+        inputPanel.add(emojiPanel, BorderLayout.LINE_END);// Add emoji panel to the right side of the input panel
+
         
         add(outputScrollPane, BorderLayout.CENTER);
         add(inputTextField, BorderLayout.PAGE_END);