JComboBox.removeAllItems() has the following syntax.
public void removeAllItems()
In the following code shows how to use JComboBox.removeAllItems() method.
// www .j a va 2 s. com import javax.swing.JComboBox; public class Main { public static void main(String[] argv) throws Exception { String[] items = { "item1", "item2" }; JComboBox cb = new JComboBox(items); cb.removeAllItems(); } }