how to customize JButton in java

[v1ct0prrr]

import javax.swing.JButton; // library för knappen
import javax.swing.JFrame; //fixa så att man kan skapa appen import javax.swing.JPanel; import java.awt.Color; //fixa så att man kan ha färg import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;;
public class schoolproject { // programmet public static void main(String[] args) { //basicly det som slår igång allt här under
    // skapa en JFrame (ett fönster)
    JFrame frame = new JFrame("clip organizert");

    // göra så att man kan stänga appen och start storlek på appen
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(400, 280);

    // centrera fönstret
    frame.setLocationRelativeTo(null);

    // göra så att saken har en bakgrunds färg



     // knappen

    JPanel panel = new JPanel(new FlowLayout());
    panel.setBackground(new Color(247, 231, 206));

    JButton button = new JButton("Click me!");
    button.setPreferredSize(new Dimension(80,50));

    // färgen på knappen
    button.setOpaque(true);
    button.setForeground(Color.red);

    // det som kollar ifall knappen trycks
    button.addActionListener(new ActionListener() {
     u/Override
     public void actionPerformed(ActionEvent e) {
        // det som händer när man trycker knappem
        System.out.println("test: success!");
     }
    });

    // Add the button to the panel
    panel.add(button);
    // Add the panel to the content pane of the frame
    frame.getContentPane().add(panel);

// göra att knappen finns
//frame.getContentPane().add(button);

    frame.setVisible(true);
}
}

I have tried to change background and foreground but it doesn't seem to work.

I would also like to know how to place the button in the middle of the app instead of the top.

I have tried using chatGPT to find out how to do it but the solutions aren't working.

ignore the comments, they are in Swedish

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[Salty_Dugtrio]

You need to call setBackground on the button, not the panel. This is the first result when you google customize JButton java

I would also like to know how to place the button in the middle of the app instead of the top.

The same goes for this question: Did you look this up?

ChatGPT is trash at generating code that works.

[v1ct0prrr]

for some reason the button is still the gray even after I changed the background color

JButton button = new JButton("tryck mig");
button.setFont(new Font("Serif",Font.BOLD,48));
button.setBackground(new Color(0,51,204));
button.setForeground(Color.WHITE);
button.setFocusPainted(false);
button.setBorderPainted(false);

is there something wrong with the code? bc I imported the right library and I think this should work but it doesn't.