Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Main {

    public static void main(String[] args) {
        String items[] = { "Item1", "item1" };
        JFrame f = new JFrame();
        JPanel panel = new JPanel();
        JComboBox<String> combo = new JComboBox<>(items);
        combo.setEditable(true);

        JTextField txt = new JTextField(10);
        panel.add(combo);
        panel.add(txt);
        f.add(panel);
        combo.addItemListener(new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent ie) {
                String str = (String) combo.getSelectedItem();
                txt.setText(str);
            }
        });
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(400, 100);
        f.setVisible(true);
    }
}