bibike

package test;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;




import javax.swing.*;

public class Test implements ActionListener {
        String[] bikeName = new String[]{
                "B.O.N.E", "Colony", "DK", "Fit", "Ghost"       };


        JComboBox comboxName = new JComboBox(bikeName);
        JTextArea quanityBikes = new JTextArea();

        JLabel welcome = new JLabel("welcome to my bike magazine");

        JButton ok = new JButton("ok");

        JPanel panel = new JPanel();

        public void init(){
                GridLayout bl = new GridLayout(4,1);
                panel.setLayout(bl);
                panel.add(welcome);
                panel.add(comboxName);
                panel.add(quanityBikes);
                panel.add(ok);

                JFrame frame = new JFrame("Bike shop");
        frame.setContentPane(panel);

        frame.pack();

        frame.setVisible(true);

        ok.addActionListener(this);
        }

        public void actionPerformed(ActionEvent e) {
                String BN = (String) comboxName.getSelectedItem();
                try {
                    Integer NB = Integer.parseInt(quanityBikes.getText());
                    if(NB>7){
                        JOptionPane.showConfirmDialog(null,"too many bike.",
                                null, JOptionPane.PLAIN_MESSAGE);
                    }else{
                        JOptionPane.showConfirmDialog(null,BN+" "+NB,
                                null, JOptionPane.PLAIN_MESSAGE);
                    }
                } catch (NumberFormatException e1) {
                    // TODO Auto-generated catch block
                    JOptionPane.showConfirmDialog(null,"enter the number",null,
                            JOptionPane.PLAIN_MESSAGE);
                }
        }



        public static void main(String[] args) {
                Test b = new Test();
                b.init();

        }

}