Java tutorial
import javax.swing.JTable; import javax.swing.ListSelectionModel; public class Main { public static void main(String[] argv) throws Exception { JTable table = new JTable(); if (table.getCellSelectionEnabled()) { // In the other modes, the set of selected cells can be retrieved using table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); // Get the min and max ranges of selected cells int rowIndexStart = table.getSelectedRow(); int rowIndexEnd = table.getSelectionModel().getMaxSelectionIndex(); int colIndexStart = table.getSelectedColumn(); int colIndexEnd = table.getColumnModel().getSelectionModel().getMaxSelectionIndex(); // Check each cell in the range for (int r = rowIndexStart; r <= rowIndexEnd; r++) { for (int c = colIndexStart; c <= colIndexEnd; c++) { if (table.isCellSelected(r, c)) { System.out.println("cell is selected"); } } } } } }