To select the second index, use the setSelectedIndex() method −
JList new JList(sports);
list.setSelectedIndex(2);
The following is an example to select the second index in Java JList −
Example
package my;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
class SwingDemo extends JFrame {
static JFrame frame;
static JList list;
public static void main(String[] args) {
frame = new JFrame("JList Demo");
SwingDemo s = new SwingDemo();
JPanel panel = new JPanel();
String sports[]= { "Cricket","Football","Hockey","Rugby"};
list = new JList(sports);
list.setSelectedIndex(2);
panel.add(list);
frame.add(panel);
frame.setSize(400,400);
frame.setVisible(true);
}
}
Output