JList.getFirstVisibleIndex() has the following syntax.
public int getFirstVisibleIndex()
In the following code shows how to use JList.getFirstVisibleIndex() method.
import javax.swing.JList; //from w w w .j ava2 s. com public class Main { public static void main(String[] argv) throws Exception { String[] items = { "A", "B", "C", "D" }; JList list = new JList(items); int itemIx = list.getFirstVisibleIndex(); if (itemIx < 0) { // List is either not visible or there are no items } } }