Unnamed

import java.awt.BorderLayout;
import java.awt.Color;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class NewJFrame extends javax.swing.JFrame {
    public NewJFrame() {
        JPanel mainPanel = new JPanel();      

        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.PAGE_AXIS));
        mainPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(Color.RED), "mainPanel"));
        
        //for the top panel (1 big white square label and 2 sub-panels)
        JPanel topPanel = new JPanel();
        topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.LINE_AXIS));
        topPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("topPanel"));
        
        JLabel label1 = new JLabel();
        label1.setBorder(javax.swing.BorderFactory.createLineBorder(Color.BLACK));
        label1.setMaximumSize(new java.awt.Dimension(142, 142));
        label1.setMinimumSize(new java.awt.Dimension(142, 142));
        label1.setPreferredSize(new java.awt.Dimension(142, 142));
        
        //first subPanel, with 2 text labels inside
        JPanel subPanel1 = new JPanel();
        subPanel1.setLayout(new BoxLayout(subPanel1, BoxLayout.PAGE_AXIS));
        subPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
        
        JLabel label2 = new JLabel("label2");
        JLabel label3 = new JLabel("label3");
        subPanel1.add(label2);
        subPanel1.add(label3);
        
        //second subpanel, also 2 text labels inside
        JPanel subPanel2 = new JPanel();
        subPanel2.setLayout(new BoxLayout(subPanel2, BoxLayout.PAGE_AXIS));
        subPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
        
        JLabel label4 = new JLabel("label4");
        JLabel label5 = new JLabel("label5");
        subPanel2.add(label4);
        subPanel2.add(label5);
        
        //add everything to topPanel
        topPanel.add(label1);
        topPanel.add(subPanel1);
        topPanel.add(subPanel2);
        
        
        //for the bottom panel (2 subpanels inside)
        JPanel bottomPanel = new JPanel();
        bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.LINE_AXIS));
        bottomPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("bottomPanel"));
        
        //third subPanel, 2 labels
        JPanel subPanel3 = new JPanel();
        subPanel3.setLayout(new BoxLayout(subPanel3, BoxLayout.PAGE_AXIS));
        subPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
        
        JLabel label6 = new JLabel("label6");
        JLabel label7 = new JLabel("label7");
        subPanel3.add(label6);
        subPanel3.add(label7);
        
        //fourth subPanel, 2 labels
        JPanel subPanel4 = new JPanel();
        subPanel4.setLayout(new BoxLayout(subPanel4, BoxLayout.PAGE_AXIS));
        subPanel4.setBorder(javax.swing.BorderFactory.createTitledBorder(""));
        
        JLabel label8 = new JLabel("label8");
        JLabel label9 = new JLabel("label9");
        subPanel4.add(label8);
        subPanel4.add(label9);

        //add everything to bottomPanel
        bottomPanel.add(subPanel3);
        bottomPanel.add(subPanel4);

        //add both topPanel and bottomPanel to mainPanel
        mainPanel.add(topPanel);
        mainPanel.add(bottomPanel, BorderLayout.WEST);
        
        //add to the left side of content pane 
        getContentPane().add(mainPanel, BorderLayout.WEST);
        pack();
    }
    public static void main(String args[]) {
        new NewJFrame().setVisible(true);
    }
}