refactoring: Emojis in ChatClient3

src/main/java/ChatClient.java

@@ -148,16 +148,15 @@ public class ChatClient extends JFrame implements KeyListener {
     }
     
     private void showEmojiPicker() {
-      JDialog emojiDialog = new JDialog(this, "Emoji Picker", true);
-      emojiDialog.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
-      emojiDialog.getContentPane().add(emojiPicker);
-      emojiDialog.pack();
-      emojiDialog.setLocationRelativeTo(this);
-      emojiDialog.setVisible(true);
-      
+      // Create a dialog to display the emoji picker
+      JDialog emojiDialog = new JDialog(this, "Emoji Picker", true); // Create a modal dialog with a title "Emoji Picker"
+      emojiDialog.setDefaultCloseOperation(DISPOSE_ON_CLOSE); // Set close operation to dispose the dialog when closed
+      emojiDialog.getContentPane().add(emojiPicker); // Add the emoji picker component to the content pane of the dialog
+      emojiDialog.pack(); // Pack the dialog to fit the preferred size of its components
+      emojiDialog.setLocationRelativeTo(this);// Set the location of the dialog relative to the parent frame
+      emojiDialog.setVisible(true); // Make the dialog visible
     }
     
-    
     private void receiveMessages() {
         try {
             connectionToServer = new Socket(address, Constants.PORT);