Java tutorial
import javax.swing.JTable; import javax.swing.ListSelectionModel; public class Main { public static void main(String[] argv) throws Exception { int rows = 10; int cols = 5; JTable table = new JTable(rows, cols); table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); table.setColumnSelectionAllowed(true); table.setRowSelectionAllowed(true); int row = 5; int col = 3; boolean toggle = false; boolean extend = true; table.changeSelection(row, col, toggle, extend); } }