JComboBox.setSelectedItem(Object anObject) has the following syntax.
public void setSelectedItem(Object anObject)
In the following code shows how to use JComboBox.setSelectedItem(Object anObject) method.
// w ww . ja v a 2s. c om import javax.swing.JComboBox; public class Main { public static void main(String[] argv) throws Exception { String[] items = { "item1", "item2" }; JComboBox cb = new JComboBox(items); Object obj = cb.getSelectedItem(); cb.setSelectedItem("item2"); obj = cb.getSelectedItem(); cb.setSelectedItem("item3"); obj = cb.getSelectedItem(); } }