Java Swing How to - Convert the getSelectedItem() from JComboBox to int or any other type

Question

We would like to know how to convert the getSelectedItem() from JComboBox to int or any other type.

Answer

import java.awt.GridLayout;
/*  w  ww .ja  v  a2  s  .  c  o  m*/
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);
  }
}