Java tutorial
import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; public class Main { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JTable t = new JTable(10, 1); frame.add(new JScrollPane(t)); t.getSelectionModel().clearSelection(); t.getSelectionModel().addSelectionInterval(5, 6); t.getSelectionModel().addSelectionInterval(8, 8); frame.pack(); frame.setVisible(true); } }