Java tutorial
import javax.swing.DefaultListModel; import javax.swing.JList; public class Main { public static void main(String[] argv) throws Exception { DefaultListModel<String> model = new DefaultListModel<>(); JList<String> list = new JList<>(model); int pos = 0; model.add(pos, "a"); //Insert an item at the beginning model.add(pos, "a"); // Initialize the list with items String[] items = { "A", "B", "C", "D" }; for (int i = 0; i < items.length; i++) { model.add(i, items[i]); } // Replace the 2nd item pos = 1; model.set(pos, "b"); // Remove the first item model.remove(pos); // Remove the last item pos = model.getSize() - 1; if (pos >= 0) { model.remove(pos); } // Remove all items model.clear(); } }