for loop in EmojiPicker

src/main/java/EmojiPicker.java

@@ -13,7 +13,12 @@ public class EmojiPicker extends JPanel {
       
       setLayout(new GridLayout(4, 3, 5, 5)); 
       
-      
+      for (String emoji : emojis) {
+        JButton emojiButton = new JButton(emoji);
+        emojiButton.setFont(new Font("Segoe UI Emoji", Font.PLAIN, 20));
+        emojiButton.addActionListener(new EmojiActionListener(emoji));
+        add(emojiButton);
+    }
       
       setPreferredSize(new Dimension(300, 200));