Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
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.JScrollPane;

public class Main {

    public static void main(final String args[]) {
        final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<String>();

        model.addElement("A");
        model.addElement("C");
        model.addElement("D");
        model.addElement("A");

        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JComboBox<String> comboBox1 = new JComboBox<String>(model);
        comboBox1.setMaximumRowCount(5);
        comboBox1.setEditable(true);
        frame.add(comboBox1, BorderLayout.NORTH);

        JList<String> jlist = new JList<String>(model);
        JScrollPane scrollPane = new JScrollPane(jlist);
        frame.add(scrollPane, BorderLayout.CENTER);

        JButton button = new JButton("Add");
        frame.add(button, BorderLayout.SOUTH);
        ActionListener actionListener = new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent) {
                model.addElement("a");
                System.out.println(model.getSize());
            }
        };
        button.addActionListener(actionListener);

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