Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;

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

public class Main {
    public static void main(String[] args) {
        JComboBox<String> comboBox = new JComboBox<>(new String[] { "A", "B", "C" });
        comboBox.setEditable(true);

        JTextField editorComponent = (JTextField) comboBox.getEditor().getEditorComponent();
        editorComponent.addActionListener(e -> {
            editorComponent.transferFocus();
        });

        JPanel panel = new JPanel(new FlowLayout());
        panel.add(new JLabel("Field 1"));
        panel.add(comboBox);
        panel.add(new JLabel("Field 2"));
        panel.add(new JTextField(10));
        panel.add(new JLabel("Field 3"));
        panel.add(new JTextField(10));

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

        Container c = frame.getContentPane();
        c.setLayout(new BorderLayout());
        c.add(panel, BorderLayout.CENTER);
        frame.pack();
        frame.setVisible(true);
    }
}