Membuat Background JTable Transparan

frameTransparantTable.java

import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.JLabel;
import javax.swing.ImageIcon;

@SuppressWarnings("serial")
public class frameTransparantTable extends JFrame {

	private JPanel contentPane;
	private JScrollPane scrollPane;
	private JTable tabel;
	DefaultTableModel tabelModel;
	String header[] = {"ID", "Nama", "Harga"};
	String isi[][] = {{"B001","Kecap DEF", "6000"}, {"B002","Mie Goreng", "1800"}};
	private JLabel lblWall;

	/**
	 * Create the frame.
	 */
	public frameTransparantTable() 
	{
		setTitle("Transparant Background Table");
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 674, 380);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		scrollPane = new JScrollPane();
		scrollPane.setBounds(16, 21, 447, 293);
		contentPane.add(scrollPane);
		
		tabelModel = new DefaultTableModel(isi,header);
		tabel = new JTable();
		tabel.setModel(tabelModel);
		
		scrollPane.setOpaque(false);
		scrollPane.getViewport().setOpaque(false);
		tabel.setShowGrid(false);
		scrollPane.setViewportView(tabel);
		
		JLabel lblIcon = new JLabel("");
		lblIcon.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/transparantBackgroundTable/icon1.png"));
		lblIcon.setBounds(497, 78, 152, 129);
		contentPane.add(lblIcon);
		
		lblWall = new JLabel("");
		lblWall.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/transparantBackgroundTable/wall.png"));
		lblWall.setBounds(0, -13, 672, 367);
		contentPane.add(lblWall);
		setLocationRelativeTo(null);
	}
	
	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
					frameTransparantTable frame = new frameTransparantTable();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}
}