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troubleshooting Question

error in code (cannot resolve symbol-method getContentPane()

Avatar of Drop_of_Rain
Drop_of_Rain asked on
Java
6 Comments1 Solution1201 ViewsLast Modified:
Get this error in code (cannot resolve symbol-method getContentPane()

this.getContentPane().add(p1, BorderLayout.CENTER);

 I made it easy to fine it has all the space between it and other code


import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Kempos extends JPanel
{ // Opens class

    public Kempos()
    {
        super();

        Font f1 = new Font("Courier New", Font.BOLD, 15);

        JPanel p1 = new JPanel();
        JPanel p2 = new JPanel();
        JPanel p3 = new JPanel();
        JPanel p4 = new JPanel();
        JPanel p5 = new JPanel();
        JPanel p6 = new JPanel();

        final JButton b1 = new JButton("G1");
        final JButton b2 = new JButton("G2");
        final JButton b3 = new JButton("G3");
        final JButton b4 = new JButton("G4");
        final JButton b5 = new JButton("G5");
        final JButton b6 = new JButton("G6");
        final JButton b7 = new JButton("G7");
        final JButton b8 = new JButton("G8");

        final JButton b9 = new JButton("Restart");
        final JButton b0 = new JButton("   Exit    ");

        b9.setMnemonic('R'); b0.setMnemonic('E');

        final JLabel l1 = new JLabel();
        l1.setBorder(BorderFactory.createLineBorder(Color.yellow));

        p1.setBorder(BorderFactory.createLoweredBevelBorder());
        p4.setBorder(BorderFactory.createLoweredBevelBorder());
        p4.setBackground(Color.blue);

        p1.setLayout(new GridLayout(1,2));
        p1.add(p2); p1.add(p3);

        p2.setLayout(new GridLayout(1,1));
        p2.add(p4);

        p4.setLayout(new GridLayout(3,3));
        p4.add(b1); p4.add(b2); p4.add(b3);
        p4.add(b4); p4.add(l1); p4.add(b5);
        p4.add(b6); p4.add(b7); p4.add(b8);

        p5.setLayout(new GridLayout(5,1));
        p5.add(new JLabel("Name 1\n"));
        p5.add(new JLabel("Name 2"));
        p5.add(new JLabel("Name 3"));
        p5.add(new JLabel("Name 4"));
        p5.add(new JLabel("Name 5"));
 
        p3.setLayout(new GridLayout(1,3));
        p3.add(new JPanel()); p3.add(p5);
        p3.add(new JPanel());

        p6.add(b9); p6.add(b0);




        this.getRootPane().setDefaultButton(b9);
        this.getContentPane().add(p1, BorderLayout.CENTER);
        this.getContentPane().add(p6, BorderLayout.SOUTH);






        this.setResizable(false);
        this.setSize(800, 600);
        this.setVisible(true);

        // Add your action listener here . . .
        b1.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G1       ");
        b1.setText("");
        b1.setEnabled(false);
        }
        });

        b2.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G2       ");
        b2.setText("");
        b2.setEnabled(false);
        }
        });

        b3.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G3       ");
        b3.setText("");
        b3.setEnabled(false);
        }
        });

        b4.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G4       ");
        b4.setText("");
        b4.setEnabled(false);
        }
        });

        b5.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G5       ");
        b5.setText("");
        b5.setEnabled(false);
        }
        });

        b6.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G6       ");
        b6.setText("");
        b6.setEnabled(false);
        }
        });

        b7.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G7       ");
        b7.setText("");
        b7.setEnabled(false);
        }
        });

        b8.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("       G8       ");
        b8.setText("");
        b8.setEnabled(false);
        }
        });

        b9.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        l1.setText("");

        b1.setText("G1");
        b2.setText("G2");
        b3.setText("G3");
        b4.setText("G4");
        b5.setText("G5");
        b6.setText("G6");
        b7.setText("G7");
        b8.setText("G8");

        b1.setEnabled(true);
        b2.setEnabled(true);
        b3.setEnabled(true);
        b4.setEnabled(true);
        b5.setEnabled(true);
        b6.setEnabled(true);
        b7.setEnabled(true);
        b8.setEnabled(true);
        }
        });

        b0.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent h)
        {
        System.exit(0);
        }
        });
    }
}
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