Расположение элементов в ячейке таблицы GridBagLayout

JFrame mainwindow = new JFrame("Пробное окно");
mainwindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GridBagConstraints c = new GridBagConstraints();
mainwindow.setLayout(new GridBagLayout());
mainwindow.setLocation(0,0);
mainwindow.pack();
mainwindow.setVisible(true);
JPanel mypanel = new JPanel();
JTable table = new JTable(data, columnNames);
table.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
table.addMouseListener(new Newaction());
JScrollPane scrollPane = new JScrollPane(table);
c.fill = GridBagConstraints.BOTH;
c.anchor = GridBagConstraints.NORTH;
 c.weightx = 1;
c.gridwidth=2;
c.gridx = 0;
c.gridy = 0;
mainwindow.getContentPane().add(scrollPane,c);
 
JButton buttom= new JButton("Button 2");
c.gridx = 0;
c.gridy = 1;
 c.anchor = GridBagConstraints.SOUTH;
 c.gridwidth = 1;
 
c.fill=GridBagConstraints.VERTICAL ;
 
mainwindow.getContentPane().add(buttom, c);
 
JButton buttom1= new JButton("Кнопка выбора 1");
c.anchor = GridBagConstraints.NORTH;
c.gridx = 1;
c.gridy = 1;
c.fill=GridBagConstraints.VERTICAL ;
 
 c.gridwidth = 1;
 
 
 
 
mainwindow.getContentPane().add(buttom1 ,c);
 
mainwindow.pack();

public static void main(final String[] args) {
    final JFrame mainwindow = new JFrame("Пробное окно");
    mainwindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
    final GridBagLayout lout = new GridBagLayout();
    lout.columnWeights = new double[] {1.0, 0.0};
    lout.rowWeights = new double[] {1.0, 1.0, 0.0};
 
    mainwindow.setLayout(lout);
 
    final JTable table = new JTable(
        new String[][] {
            {"1", "2", "3"},
            {"4", "5", "6"},
            {"7", "8", "9"}
        },
        new String[] {"A", "B", "C"}
    );
    table.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
    GridBagConstraints c = new GridBagConstraints();
    c.fill = GridBagConstraints.BOTH;
    c.gridx = 0;
    c.gridy = 0;
    c.gridwidth = 2;
 
    mainwindow.add(new JScrollPane(table), c);
 
    final JButton buttom= new JButton("Button 2");
    c = new GridBagConstraints();
    c.anchor = GridBagConstraints.NORTH;
    c.gridx = 0;
    c.gridy = 1;
 
    mainwindow.add(buttom, c);
 
    final JButton buttom1= new JButton("Кнопка выбора 1");
    c = new GridBagConstraints();
    c.anchor = GridBagConstraints.NORTH;
    c.gridx = 1;
    c.gridy = 1;
 
    mainwindow.add(buttom1, c);
 
    mainwindow.pack();
    mainwindow.setVisible(true);
}

lout.columnWeights = new double[] {1.0, 0.0};
    lout.rowWeights = new double[] {1.0, 1.0, 0.0};

lout.columnWeights = new double[] {1.0, 0.0};

package inter1;
 
/**
 *
 * @author user
 */
 
 
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
 
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
 
public class  Inter1 extends JFrame {
    private JTextField search= new JTextField();
    private JList listView = new JList();
 
    public  Inter1() {
        GridBagLayout gridBagLayout = new GridBagLayout();
        gridBagLayout.columnWeights = new double[]{0.0, 0.0, 0.0, 0.0, 1.0, 0.0, Double.MIN_VALUE};
        gridBagLayout.rowWeights = new double[]{0.0, 1.0, 0.0, Double.MIN_VALUE};
        setLayout(gridBagLayout);
 
        JPanel infoPanel = new JPanel();
        infoPanel.setBorder(BorderFactory.createTitledBorder("Информация"));
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridheight = 2;
        gbc.gridwidth = 4;
        gbc.insets = new Insets(0, 0, 5, 5);
        gbc.fill = GridBagConstraints.BOTH;
        gbc.gridx = 0;
        gbc.gridy = 0;
        add(infoPanel, gbc);
 
        gbc.gridheight = 1;
        gbc.gridwidth = 1;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.gridx = 4;
        gbc.gridy = 0;
        add(this.search, gbc);
 
        JButton button = new JButton("find");
        gbc.gridx = 5;
        gbc.gridy = 0;
        add(button, gbc);
 
        
 
        button = new JButton("1");
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.insets = new Insets(0, 0, 0, 5);
        gbc.gridx = 0;
        gbc.gridy = 2;
        add(button, gbc);
 
        button = new JButton("2");
        gbc.gridx = 1;
        add(button, gbc);
 
        button = new JButton("3");
        gbc.gridx = 2;
        add(button, gbc);
 
        button = new JButton("4");
        gbc.gridx = 3;
        add(button, gbc);
        
        
        JScrollPane scrollPane = new JScrollPane(this.listView);
        gbc.gridwidth = 2;
        gbc.gridheight = 2;
        gbc.fill = GridBagConstraints.BOTH;
        gbc.gridx = 4;
        gbc.gridy = 1;
        add(scrollPane, gbc);
    }
 
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
 
            @Override
            public void run() {
                 Inter1 f = new  Inter1();
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                f.setLocationRelativeTo(null);
                f.pack();
                f.setVisible(true);
            }
 
        });
    }
}
    
}

Double.MIN_VALUE