Как, используя свинг, представить следующую картинку?

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.border.Border;
 
public class Window extends JFrame {
    private static final long serialVersionUID = 1L;
    private Border border = BorderFactory.createEmptyBorder(15, 15, 15, 15);
    private JPanel main = new JPanel();
    private JPanel top = new JPanel();
    private JPanel mid = new JPanel();
    private JPanel bot = new JPanel();
    private JTable table1 = new JTable();
    private JTable table2 = new JTable();
    private JScrollPane sp1 = new JScrollPane(this.table1);
    private JScrollPane sp2 = new JScrollPane(this.table2);
    private JTextField textField1 = new JTextField("textField1");
    private JTextField textField2 = new JTextField("textField2");
    private JTextField textField3 = new JTextField("textField3");
    private JTextField textField4 = new JTextField("textField4");
    private JButton button = new JButton("Button");
    private JTextArea textArea = new JTextArea();
    private JScrollPane sp3 = new JScrollPane(this.textArea);
 
    public Window() {
        super.setTitle("Window");
        this.setSize(800, 600);
        this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        this.setLocationRelativeTo(null);
 
        this.top.setPreferredSize(new Dimension(600, 200));
        this.top.setLayout(new GridLayout(1, 2, 25, 25));
        this.top.add(this.sp1);
        this.top.add(this.sp2);
 
        this.mid.setLayout(new GridLayout(3, 2, 25, 10));
        this.mid.add(this.textField1);
        this.mid.add(this.textField2);
        this.mid.add(this.button);
        this.mid.add(this.textField3);
        this.mid.add(new JLabel(""));
        this.mid.add(this.textField4);
 
        this.textArea.setPreferredSize(new Dimension(600, 200));
        this.bot.setLayout(new GridLayout(1, 1));
        this.bot.add(this.sp3);
 
        this.main.setBorder(this.border);
        this.getContentPane().add(this.main);
 
        BorderLayout borderLayout = new BorderLayout(15, 15);
        this.main.setLayout(borderLayout);
        this.main.add(this.top, BorderLayout.PAGE_START);
        this.main.add(this.mid, BorderLayout.CENTER);
        this.main.add(this.bot, BorderLayout.SOUTH);
 
        this.setVisible(true);
    }
 
    public static void main(final String[] args) {
        new Window();
    }
}