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import java.awt.BorderLayout;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(final String args[]) {
String labels[] = { "A", "B", "C", "D", "E" };
final DefaultComboBoxModel model = new DefaultComboBoxModel(labels);
JFrame frame = new JFrame("Shared Data");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
JComboBox comboBox1 = new JComboBox(model);
comboBox1.setMaximumRowCount(5);
comboBox1.setEditable(true);
JComboBox comboBox2 = new JComboBox(model);
comboBox2.setMaximumRowCount(5);
comboBox2.setEditable(true);
panel.add(comboBox1);
panel.add(comboBox2);
frame.add(panel, BorderLayout.NORTH);
frame.setSize(300, 200);
frame.setVisible(true);
}
}
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