Pls Help Java open link from textbox by clicking a button

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Color;

public class VoteBot extends JFrame {

	private static final long serialVersionUID = 1L;
	private JPanel contentPane;
	private JTextField textField;

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

	public VoteBot() {
		setBackground(Color.GRAY);
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBackground(Color.GRAY);
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);

		textField = new JTextField();
		textField.setColumns(10);

		JButton btnNewButton = new JButton("Start");
		btnNewButton.setFont(new Font("Tahoma", Font.BOLD, 11));
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
			}
		});

		JLabel lblUrlZbWwwgooglecom = new JLabel("URL z.B www.google.com");
		lblUrlZbWwwgooglecom.setForeground(Color.ORANGE);
		GroupLayout gl_contentPane = new GroupLayout(contentPane);
		gl_contentPane.setHorizontalGroup(
			gl_contentPane.createParallelGroup(Alignment.LEADING)
				.addGroup(gl_contentPane.createSequentialGroup()
					.addContainerGap(161, Short.MAX_VALUE)
					.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
						.addGroup(Alignment.TRAILING, gl_contentPane.createSequentialGroup()
							.addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING)
								.addComponent(lblUrlZbWwwgooglecom)
								.addComponent(textField, GroupLayout.PREFERRED_SIZE, 115, GroupLayout.PREFERRED_SIZE))
							.addGap(150))
						.addGroup(Alignment.TRAILING, gl_contentPane.createSequentialGroup()
							.addComponent(btnNewButton)
							.addGap(178))))
		);
		gl_contentPane.setVerticalGroup(
			gl_contentPane.createParallelGroup(Alignment.LEADING)
				.addGroup(gl_contentPane.createSequentialGroup()
					.addGap(45)
					.addComponent(lblUrlZbWwwgooglecom)
					.addPreferredGap(ComponentPlacement.UNRELATED)
					.addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
					.addPreferredGap(ComponentPlacement.UNRELATED)
					.addComponent(btnNewButton)
					.addContainerGap(137, Short.MAX_VALUE))
		);
		contentPane.setLayout(gl_contentPane);
	}
}