DefaultListSelectionModel.addSelectionInterval(int index0, int index1) has the following syntax.
public void addSelectionInterval(int index0, int index1)
In the following code shows how to use DefaultListSelectionModel.addSelectionInterval(int index0, int index1) method.
/*ww w . j a v a2s . co m*/ import java.awt.BorderLayout; import javax.swing.DefaultListSelectionModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.ListSelectionModel; public class Main extends JPanel { String label[] = { "Zero", "One", "Two" }; JList list; public Main() { setLayout(new BorderLayout()); list = new JList(label); JScrollPane pane = new JScrollPane(list); DefaultListSelectionModel m = new DefaultListSelectionModel(); m.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); m.setLeadAnchorNotificationEnabled(false); list.setSelectionModel(m); m.addSelectionInterval(1,1); add(pane, BorderLayout.NORTH); } public static void main(String s[]) { JFrame frame = new JFrame("List Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setContentPane(new Main()); frame.pack(); frame.setVisible(true); } }