I thought I had the program ready to run but when I run it nothing happens <p>So I thought I had this code being able to work but it is not working. I do not know what to do and I have tried looking at everything everyone has suggested but I just do not know what to do so any help would be greatly appreciated!</p> <pre><code>import java.awt.*; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.BorderLayout; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JLabel; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class memory extends JPanel{ /** * */ private static final long serialVersionUID = 1L; @Override public void paintComponent(Graphics g) { super.paintComponent(g); g.setColor(new Color(156, 93, 82)); g.fill3DRect(21,3,7,12, true); g.setColor(new Color(156,23,134)); g.fillOval(1,15,15,15); g.fillOval(16,15,15,15); g.fillOval(31,15,15,15); g.fillOval(7,31,15,15); g.fillOval(22,31,15,15); g.fillOval(16,47,15,15); setVisible(false);} public memory() { GridLayout h =new GridLayout(3,3); final JFrame frame = new JFrame(); final JPanel pan = new JPanel(h); frame.add(pan); pan.setBackground(new Color(130,224,190)); pan.setFont(new Font("Serif", Font.BOLD, 28)); JButton button1= new JButton(); pan.add(button1); final JLabel label1= new JLabel("hi"); label1.setVisible(false); pan.add(label1); JButton button2= new JButton(); pan.add(button2); final JLabel label2= new JLabel("hi"); label2.setVisible(false); pan.add(label2); JButton button3= new JButton(); pan.add(button3); final JLabel label3 = new JLabel("hi"); label3.setVisible(false); pan.add(label3); JButton button4 = new JButton(); pan.add(button4); final JLabel label4 = new JLabel("hi"); label4.setVisible(false); pan.add(label4); JButton button5= new JButton(); pan.add(button5); final JLabel label5= new JLabel("hi"); label5.setVisible(false); pan.add(label5); JButton button6= new JButton(); pan.add(button6); final JLabel label6= new JLabel("hi"); label6.setVisible(false); pan.add(label6); JButton button7= new JButton(); pan.add(button7); final JLabel label7= new JLabel("hi"); label7.setVisible(false); pan.add(label7); JButton button8= new JButton(); pan.add(button8); final JLabel label8= new JLabel("hi"); label8.setVisible(false); pan.add(label8); JButton button9= new JButton(); pan.add(button9); final JButton button10= new JButton("Exit"); pan.add(button10); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setTitle("Memory Game"); frame.setSize(500,500); frame.setVisible(true); setLayout(new BorderLayout()); add(pan,BorderLayout.CENTER); add(button10, BorderLayout.SOUTH); setSize(600,600); setVisible(true); final JLabel label9= new JLabel("hi"); label9.setVisible(false); pan.add(label9); button1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label1.setVisible(true); } }); button2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label2.setVisible(true); } }); button3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label3.setVisible(true); } }); button4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label4.setVisible(true); } }); button5.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label5.setVisible(true); } }); button6.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label6.setVisible(true); } }); button7.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label7.setVisible(true); } }); button8.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label8.setVisible(true); frame.getContentPane().add(new memory()); setVisible(true); }}); ; button9.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { label9.setVisible(true);}} ); button10.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { if (button10.getSize() != null) { System.exit(0);}} });}; public static void main(String args[]) { new memory(); }; } </code></pre>