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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);
boolean toggle = true;
boolean extend = false;
table.changeSelection(1, 3, toggle, extend);
}
}
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