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); } } }