Java Swing: JTable & ListSelectionListener & JScrollPane

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2023 05 17 06 51 41


import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

public class table2 {

public static void main(String[] args) {
JFrame g = new JFrame(
"Jtable Example with ListSelectionListener");
String[][] data = {
{"Apple", "fruit", "Ripe"},
{"Guava", "fruit", "not ripe"},
{"Carrot", "vegetable", "ripe"}
};
// name of columns
String[] columnN = {
"Name", "Type", "Status"
};

JTable xy = new JTable(data, columnN);
xy.setCellSelectionEnabled(true);

ListSelectionModel select = xy.getSelectionModel();
select.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
select.addListSelectionListener(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent lse) {
String Data = null;
int[] row = xy.getSelectedRows();
int[] columnN = xy.getSelectedColumns();
for (int i = 0; i less than row.length; i++) {
for (int j = 0; j less than columnN.length; j++) {
Data = (String) xy.getValueAt(row [i], columnN[j]]);
}
}
System.out.println("Selected element: " + Data);
}
});

JScrollPane yz = new JScrollPane(xy);
g.add(yz);
g.setSize(400, 300);
g.setVisible(true);
g.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}
}