Java JList.getSelectedIndex()
Syntax
JList.getSelectedIndex() has the following syntax.
public int getSelectedIndex()
Example
In the following code shows how to use JList.getSelectedIndex() method.
/* w w w.j a v a 2 s. c o m*/
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
public class Main {
public static void main(final String args[]) {
final String labels[] = { "A", "B", "C", "D", "E" };
JFrame frame = new JFrame("Selecting JList");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JList jlist = new JList(labels);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1);
ListSelectionListener listSelectionListener = new ListSelectionListener() {
public void valueChanged(ListSelectionEvent listSelectionEvent) {
System.out.println(jlist.getSelectedIndex());
}
};
jlist.addListSelectionListener(listSelectionListener);
frame.setSize(350, 200);
frame.setVisible(true);
}
}
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