import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;


public class ComboBoxAndArray extends JFrame{
            /// INIT OBJECTS ////////////////////////////////////////////////////////////////////////
            private String months[] = {"January", "February",  "March",   "April",    "May", "June", "July",
                                        "August", "September", "October", "November", "December"};

            private JComboBox comoboBox;
            private JTextField tName;
            private JTextField tDay;
            private JTextField tYear;
            private JLabel lName;
            private JLabel lDay;
            private JLabel lYear;
            private JLabel label;
            private JPanel panel;
            private JLabel header;
            private JButton enter;
            private JPanel input;
            ///// DONE INIT OBJECTS ///////////////////////////////////////////////////////////////////

            public ComboBoxAndArray()
            {
                        //set frame properties
                        setTitle("ComboBox and Array");
                        setSize(300,300);
                        setDefaultCloseOperation(EXIT_ON_CLOSE);

                        // create objects
                        enter = new JButton("Enter");
                        enter.addActionListener(new ButtonListener());
                        header = new JLabel("Please enter your birth date and press the enter button.");
                        tName = new JTextField(9);
                        tDay = new JTextField(2);
                        tYear = new JTextField(4);
                        lName = new JLabel("Name:");
                        lDay = new JLabel("Day:");
                        lYear = new JLabel("Year:");
                        label = new JLabel("Select Month : ");
                        comoboBox = new JComboBox(months);
                        input = new JPanel(new GridLayout(4,2));
                        panel = new JPanel(new BorderLayout());


                        input.add(lName);
                        input.add(tName);
                        input.add(label);
                        input.add(comoboBox);
                        input.add(lDay);
                        input.add(tDay);
                        input.add(lYear);
                        input.add(tYear);
                        panel.add(header, BorderLayout.NORTH);
                        panel.add(input, BorderLayout.CENTER);
                        panel.add(enter, BorderLayout.SOUTH);
                        setSize(350,175);
                        setLayout(new BorderLayout());
                        add(panel,BorderLayout.CENTER);
            }

            public static void main(String[] args) {
                        ComboBoxAndArray comoboBoxAndArray = new ComboBoxAndArray();
                        comoboBoxAndArray.setVisible(true);
            }

            private class ButtonListener implements ActionListener{

                @Override
                public void actionPerformed(ActionEvent ae) {
                    JOptionPane.showMessageDialog(null, "Hello "+ tName.getText() + ", you were born on the " + tDay.getText() + " day of " +
                                                   comoboBox.getSelectedItem() + " in the year " + tYear.getText());
                }

            }
}