Membuat New Tab

frameNewTab.java

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.border.EmptyBorder;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JTabbedPane;
import javax.swing.UIManager;

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

	private JPanel contentPane;
	private JMenuBar menuBar;
	private JMenu mnFile;
	private JMenuItem miNewTab;
	private JMenuItem miDeleteTab;
	private JPanel panel1;
	private JTabbedPane tabbedPane;
	ImageIcon  iconTab;
	private JLabel lblWall;

	/**
	 * Create the frame.
	 */
	public frameNewTab() {
		setTitle("New Tab App");
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 756, 501);
		
		menuBar = new JMenuBar();
		setJMenuBar(menuBar);
		
		mnFile = new JMenu("File");
		menuBar.add(mnFile);
		
		miNewTab = new JMenuItem("New Tab");
		miNewTab.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/newTab/newTab.png"));
		miNewTab.addActionListener(new NewTabAct());
		mnFile.add(miNewTab);
		
		miDeleteTab = new JMenuItem("Delete Tab");
		miDeleteTab.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/newTab/deleteTab.png"));
		miDeleteTab.addActionListener(new NewTabAct());
		mnFile.add(miDeleteTab);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		tabbedPane = new JTabbedPane(JTabbedPane.TOP);
		tabbedPane.setBounds(0, 0, 754, 470);
		contentPane.add(tabbedPane);
		
		iconTab = new ImageIcon("src/newTab/newTab.png");
		panel1 = new JPanel();
		tabbedPane.addTab("New tab", iconTab, panel1, null);
		panel1.setLayout(null);
		
		lblWall = new JLabel("");
		lblWall.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/newTab/wall.jpg"));
		lblWall.setBounds(0, -14, 754, 434);
		panel1.add(lblWall);
		setLocationRelativeTo(null);
	}
	
	public class NewTabAct implements ActionListener
	{
		@Override
		public void actionPerformed(ActionEvent act) {
			// TODO Auto-generated method stub
			String tab = act.getActionCommand();
			if(tab.equals("New Tab"))
			{
				tab = "New Tab";
				if(!tab.equals(""))
				{
					JPanel panel2 = new JPanel();
					JLabel lbl = new JLabel();
					lbl.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/newTab/wall.jpg"));
					panel2.add(lbl);
					tabbedPane.addTab("New tab", iconTab, panel2, null);
				}
			}
			else if(tab.equals("Delete Tab"))
			{
				tabbedPane.remove(tabbedPane.getTabCount()-1);
			}
			
		}
		
	}

	/**
	 * 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");
					frameNewTab frame = new frameNewTab();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}
}