Display page for ComboBoxes at www.BruceEckel.com ComboBoxes.java //: c14:ComboBoxes.java // Using drop-down lists. // <applet code=ComboBoxes width=200 height=125></applet> import javax.swing.*; import java.awt.event.*; import java.awt.*; import com.bruceeckel.swing.*; public class ComboBoxes extends JApplet { private String[] description = { "Ebullient", "Obtuse", "Recalcitrant", "Brilliant", "Somnescent", "Timorous", "Florid", "Putrescent" }; private JTextField t = new JTextField(15); private JComboBox c = new JComboBox(); private JButton b = new JButton("Add items"); private int count = 0; public void init() { for(int i = 0; i < 4; i++) c.addItem(description[count++]); t.setEditable(false); b.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if(count < description.length) c.addItem(description[count++]); } }); c.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { t.setText("index: "+ c.getSelectedIndex() + " " + ((JComboBox)e.getSource()).getSelectedItem()); } }); Container cp = getContentPane(); cp.setLayout(new FlowLayout()); cp.add(t); cp.add(c); cp.add(b); } public static void main(String[] args) { Console.run(new ComboBoxes(), 200, 125); } } ///:~