NimbusLookAndFeel和Jtable ......我不能保存？

Question

这是我的主要课程

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.nimbus.NimbusLookAndFeel;
import javax.swing.JButton;


public class Button extends JFrame {

	public JPanel contentPane;
	public SaveObject saveObject=new SaveObject();

public table frame1 ;
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
		
				try {
					Button frame = new Button();
					
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public Button() {
		 
		NimbusLookAndFeel laf = new NimbusLookAndFeel();
				try {
					UIManager.setLookAndFeel(laf);
				} catch (UnsupportedLookAndFeelException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
				
		
		
		
		
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		contentPane.setLayout(null);
		setContentPane(contentPane);
		
		frame1=new table();;
		
		JButton btnNewButton = new JButton("SAVE");
		btnNewButton.setBounds(151, 99, 120, 52);
		contentPane.add(btnNewButton);
		btnNewButton.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				saveObject.save(frame1);
				
			}
		});
	}
}

这是我的第二课

import java.io.Serializable;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;


public class table implements Serializable
{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	public String[] title={"1","2","3","4","5"};	
	public DefaultTableModel tableModel=new DefaultTableModel(title,0);
	JFrame a=new JFrame();
	JTable table = new JTable(tableModel) ;
	
	
	public JScrollPane scrollPane=new JScrollPane(); 
	public Object[] object=new Object[title.length];
	public int practiceNumber=0;

	public String[] premlesave=new String[100];
		
	public table()
	{
		scrollPane.setBounds(0, 0, 396, 188);
		table.setFillsViewportHeight(true);
		
		a.setVisible(true);
		a.add(scrollPane);
	}	}
	

这是我的saveobject Class

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import javax.imageio.stream.FileImageInputStream;

public class SaveObject
{
	private ObjectOutputStream output;
	private ObjectInputStream input;
	public void save(Object o)
	{
		try{
			output = new ObjectOutputStream(new FileOutputStream("mm.ser"));
			output.writeObject(o);;
			output.close();
			output.flush();
		}
		catch(IOException e)
		{}
	}
}

现在我想使用NimbusLookAndFeel laf = new NimbusLookAndFeel（）;但这不是Serializable并显示错误。为什么？这意味着我无法使用NimbusLookAndFeel？