JavaSwing JScrollPane的使用

package com.srie.test;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
public class JFrame001 extends JFrame {
    private static final long serialVersionUID = -8298152118685661613L;
    private JPanel contentPane;
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    JFrame001 frame = new JFrame001();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }
    /**
     * Create the frame.
     */
    public JFrame001() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        contentPane.setLayout(new BorderLayout(0, 0));
        setContentPane(contentPane);
        
        JScrollPane scrollPane = new JScrollPane();
        contentPane.add(scrollPane, BorderLayout.CENTER);
        
        JPanel panel = new JPanel();
        panel.setPreferredSize(new Dimension(800, 600));
        scrollPane.setViewportView(panel);
        JPanel panelColumn= new JPanel();
        scrollPane.setColumnHeaderView(panelColumn);
        
        JLabel lblNewLabel = new JLabel("New label");
        panelColumn.add(lblNewLabel);;
        JPanel panelRow = new JPanel();
        scrollPane.setRowHeaderView(panelRow);
        
        JLabel lblNewLabel_1 = new JLabel("New label");
        panelRow.add(lblNewLabel_1);
    }
}