SimpleCustomDialog

package test;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JTextField;

class AboutDialog extends JDialog  {

    private JTextField text;

    public AboutDialog() {

        initUI();
    }

    public final void initUI() {

        setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
        add(Box.createRigidArea(new Dimension(0, 10)));

        text = new JTextField("user enter text");
        add(text);

        add(Box.createRigidArea(new Dimension(0, 50)));

        JButton close = new JButton("Close");
        close.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                SimpleCustomDialog.data.setPatientNameOList(text.getText());
                dispose();
            }
        });

        close.setAlignmentX(0.5f);
        add(close);

        setModalityType(ModalityType.APPLICATION_MODAL);

        setTitle("About Notes");
        setLocationRelativeTo(null);
        setSize(300, 200);
    }
}

public class SimpleCustomDialog extends JFrame implements ActionListener {
    JButton dialog;

    private static final long serialVersionUID = 1L;
    public static SearchData data;

    public SimpleCustomDialog() {
        data = new SearchData();
        initUI();
    }

    public final void initUI() {

        dialog = new JButton("Open dialog");
        dialog.addActionListener(this);

        add(Box.createRigidArea(new Dimension(0, 50)));
        this.add(dialog);

        setTitle("Simple Dialog");
        setSize(300, 200);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

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

    public void actionPerformed(ActionEvent e) {
        AboutDialog ad = new AboutDialog();
        ad.addWindowListener(new WindowAdapter() {
            public void windowClosed(WindowEvent e) {
                dialog.setText("Name of user : "+SimpleCustomDialog.data.getPatientNameOList());
            }
        });
        ad.setVisible(true);
    }
}

class SearchData{
    private String patientNameOList;
    private String raceOList;

    public String getPatientNameOList(){
        return patientNameOList;
    }

    public void setPatientNameOList(String patientNameOList){
        this.patientNameOList = patientNameOList;
    }

    public String getRaceOList(){
        return raceOList;
    }

    public void setRaceOList(String raceOList){
        this.raceOList = raceOList;
    }
}