Question

I created a combo box:

JComboBox comboBox = new JComboBox();
comboBox.setModel(new DefaultComboBoxModel(new String[] {"<Select a Team>", "X", "Y", "Z"}));

When I invoke System.out.println(comboBox.getSelectedItem().toString()); in order to see the selected item, I only see <Select a Team> .

How can I print the value of the combo box each time I change it’s value? (I tried to search for how to use a listener or callback functions but didn’t understand how to implement it for my goals).

Answer 1

This will add an ActionListener to your combobox:

comboBox.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
        System.out.println(comboBox.getSelectedItem().toString());
    }
});