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import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
public class EditComboBox {
public static void main(String args[]) {
String labels[] = { "A", "B", "C", "D","E", "F", "G", "H","I", "J" };
JFrame frame = new JFrame("Editable JComboBox");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container contentPane = frame.getContentPane();
final JComboBox comboBox = new JComboBox(labels);
comboBox.setMaximumRowCount(5);
comboBox.setEditable(true);
contentPane.add(comboBox, BorderLayout.NORTH);
final JTextArea textArea = new JTextArea();
JScrollPane scrollPane = new JScrollPane(textArea);
contentPane.add(scrollPane, BorderLayout.CENTER);
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
textArea.append("Selected: " + comboBox.getSelectedItem());
textArea.append(", Position: " + comboBox.getSelectedIndex());
textArea.append(System.getProperty("line.separator"));
}
};
comboBox.addActionListener(actionListener);
frame.setSize(300, 200);
frame.setVisible(true);
}
}
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