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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()) {
table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
int rowIndexStart = table.getSelectedRow();
int rowIndexEnd = table.getSelectionModel().getMaxSelectionIndex();
int colIndexStart = table.getSelectedColumn();
int colIndexEnd = table.getColumnModel().getSelectionModel().getMaxSelectionIndex();
}
}
}
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