Java tutorial
import java.awt.GridLayout; import javax.swing.JComboBox; import javax.swing.JOptionPane; import javax.swing.JPanel; public class Main { public static void main(String[] args) { Integer[] numbers = { 1, 2, 3 }; String[] names = { "A", "B", "C" }; JComboBox numberCombo = new JComboBox(numbers); JComboBox nameCombo = new JComboBox(names); JPanel p = new JPanel(new GridLayout(0, 1, 3, 3)); p.add(numberCombo); p.add(nameCombo); JOptionPane.showMessageDialog(null, p); Integer chosenNumber = (Integer) numberCombo.getSelectedItem(); System.out.println("Chosen Number: " + chosenNumber); String chosenName = (String) nameCombo.getSelectedItem(); System.out.println("Chosen Name: " + chosenName); } }