refactoring: EmojiPicker4

src/main/java/EmojiPicker.java

@@ -33,10 +33,17 @@ public class EmojiPicker extends JPanel {
       setPreferredSize(new Dimension(300, 200)); // Set preferred size for the EmojiPicker panel
     }
 
-     
+    /**
+     * ActionListener for handling emoji button clicks.
+     */ 
     private class EmojiActionListener implements ActionListener {
       
-      private String emoji;
+      private String emoji; // Selected emoji
+      
+      /**
+       * Constructs an EmojiActionListener with the specified emoji.
+       * @param emoji The emoji associated with this listener.
+       */
       
       public EmojiActionListener(String emoji) {
         this.emoji = emoji;