refactoring: EmojiPicker2

src/main/java/EmojiPicker.java

@@ -3,15 +3,22 @@ import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
+/**
+ * A panel containing a selection of emoji buttons to be used in conjunction with a JTextField.
+ */
+
 public class EmojiPicker extends JPanel {
     
-    private JTextField textField;
+    private JTextField textField; // Text field to append selected emoji
     
+    // Array containing a selection of emojis
     private static final String[] emojis = {"😀", "😃", "😄", "😁", "😆", "😅",
                                             "😂", "🤣", "😊", "😇", "🙂", "🙃"};
     
-    
-    
+    /**
+     * Constructs an EmojiPicker with a specified JTextField.
+     * @param textField The JTextField to append selected emojis.
+     */
     public EmojiPicker(JTextField textField) {
       setLayout(new GridLayout(4, 3, 5, 5));