Create a Java GUI application that contains a label and a button. The label reads “Click the button to change the background color.” When the button is clicked, the background is changed to a different color.

Question

What will be an ideal response?

Answer 1

```
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.Container;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class ColorChange extends JFrame implements ActionListener
{
public static final int WIDTH = 300;
public static final int HEIGHT = 300;

private static Container c;

public static void main(String args[])
{
ColorChange gui = new ColorChange();
gui.setVisible(true);
}

public ColorChange()
{
super("Change Background Color Demo");
setSize(WIDTH, HEIGHT);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
c = getContentPane();

JLabel label1 = new JLabel("Click the button to change the background
color");
c.add(label1);

JButton button = new JButton("Change Color");
c.add(button);
}

public void actionPerformed(ActionEvent e)
{
String buttonString = e.getActionCommand();
if(buttonString.equals("Change Color"));
c.setBackground(Color.WHITE);
}
}
```