Getting the Items in a JList Component : JList Model « Swing « Java Tutorial






  1. Java Tutorial
  2. Swing
  3. JList Model
import javax.swing.JList;

public class Main {
  public static void main(String[] argv) throws Exception {
    String[] items = { "A", "B", "C", "D" };
    JList list = new JList(items);

    // Get number of items in the list
    int size = list.getModel().getSize(); // 4

    // Get all item objects
    for (int i = 0; i < size; i++) {
      Object item = list.getModel().getElementAt(i);
    }
  }
}








14.42.JList Model
14.42.1.SortedListModel: sortable JListSortedListModel: sortable JList
14.42.2.extends DefaultListModel
14.42.3.extends AbstractListModelextends AbstractListModel
14.42.4.JList: ListModel and ListSelectionModel. The ListModel handles data. ListSelectionModel works with the GUI.
14.42.5.Create a list that allows adds and removes
14.42.6.Append an item
14.42.7.Insert an item at the beginning
14.42.8.Adding and Removing an Item in a JList Component
14.42.9.Set method replaces an item
14.42.10.Methods are used to remove items
14.42.11.DefaultListModel and JList
14.42.12.Getting the Items in a JList Component