SharedDataSample.java Source code

Introduction

Here is the source code for SharedDataSample.java

Source

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

public class SharedDataSample {
    public static void main(String args[]) {
        final String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };
        final DefaultComboBoxModel model = new DefaultComboBoxModel(labels);

        JFrame frame = new JFrame("Shared Data");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();

        JPanel panel = new JPanel();
        JComboBox comboBox1 = new JComboBox(model);
        comboBox1.setMaximumRowCount(5);
        comboBox1.setEditable(true);

        JComboBox comboBox2 = new JComboBox(model);
        comboBox2.setMaximumRowCount(5);
        comboBox2.setEditable(true);
        panel.add(comboBox1);
        panel.add(comboBox2);
        contentPane.add(panel, BorderLayout.NORTH);

        JList jlist = new JList(model);
        JScrollPane scrollPane = new JScrollPane(jlist);
        contentPane.add(scrollPane, BorderLayout.CENTER);

        JButton button = new JButton("Add");
        contentPane.add(button, BorderLayout.SOUTH);
        ActionListener actionListener = new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent) {
                int index = (int) (Math.random() * labels.length);
                model.addElement(labels[index]);
            }
        };
        button.addActionListener(actionListener);

        frame.setSize(300, 200);
        frame.setVisible(true);
    }
}