// Example 2.4: a frame with an empty, pink panel

import javax.swing.*;    // For JFrame and JPanel
import java.awt.*;       // For Color and Container

public class GUIWindow{

   public static void main(String[] args){
      JFrame theGUI = new JFrame();
      theGUI.setTitle("Second GUI Program");
      theGUI.setSize(300, 200);
      theGUI.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      JPanel panel = new JPanel();
      panel.setBackground(Color.pink);
      Container pane = theGUI.getContentPane();
      pane.add(panel);
      theGUI.setVisible(true);
   }
}