Java tutorial
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.ListSelectionModel; public class SelectionModeDemo { public static void main(String args[]) { JFrame frame = new JFrame("Sizing Samples"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DefaultListModel model = new DefaultListModel(); model.ensureCapacity(100); for (int i = 0; i < 100; i++) { model.addElement(Integer.toString(i)); } JList jlist2 = new JList(model); jlist2.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); JScrollPane scrollPane2 = new JScrollPane(jlist2); frame.add(scrollPane2, BorderLayout.CENTER); frame.setSize(300, 350); frame.setVisible(true); } }