Set table value : JTable Model « Swing « Java Tutorial

Set table value
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

public class SetValueAtToSetValue extends JFrame {
  public SetValueAtToSetValue() {
    final AbstractTableModel model = new MyModel();
    final JTable table = new JTable(model);
    getContentPane().add(new JScrollPane(table), BorderLayout.CENTER);
    model.setValueAt(new Integer(1), 0, 0);

    JButton button = new JButton("Increment selected cell");
    getContentPane().add(button, BorderLayout.SOUTH);
    button.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        int row = table.getSelectedRow();
        int column = table.convertColumnIndexToModel(table.getSelectedColumn());
        int currentValue = ((Integer) model.getValueAt(row, column)).intValue();
        model.setValueAt(new Integer(currentValue + 1), row, column);

  public static void main(String arg[]) {
    SetValueAtToSetValue ex2 = new SetValueAtToSetValue();

class MyModel extends AbstractTableModel {
  private int[][] table = { new int[3], new int[3], new int[3] };

  public MyModel() {
    for (int i = 0; i < 3; i++) {
      for (int j = 0; j < 3; j++) {
        table[i][j] = i * j;

  public int getColumnCount() {
    return table.length;

  public int getRowCount() {
    return table[0].length;

  public Object getValueAt(int r, int c) {
    return new Integer(table[r][c]);

  public void setValueAt(Object obj, int r, int c) {
    table[r][c] = ((Integer) obj).intValue();
    fireTableCellUpdated(r, c);

14.59.JTable Model
14.59.1.Create DefaultTableModel
14.59.2.Creating simple JTable using AbstractTableModel
14.59.3.Extending AbstractTableModelExtending AbstractTableModel
14.59.4.Creates tables that allow rows and columns to be added or deleted
14.59.5.Set table valueSet table value
14.59.6.Add logic to get value methodAdd logic to get value method
14.59.7.Subclass AbstractTableModel to reuse an existing data structure: Treat an array as an AbstractTableModelSubclass AbstractTableModel to reuse an existing data structure: Treat an array as an AbstractTableModel
14.59.8.Sparsely Populated Table ModelSparsely Populated Table Model
14.59.9.Listening to JTable Events with a TableColumnModelListenerListening to JTable Events with a TableColumnModelListener
14.59.10.The Calendar program.The Calendar program.
14.59.11.Sample Sorting Table ModelSample Sorting Table Model
14.59.12.Add columns to a table through DefaultTableModel
14.59.13.Insert a row to a table through DefaultTableModel
14.59.14.Insert a row to a table through DefaultTableModel at specified row
14.59.15.Append a row to a table through DefaultTableModel at specified row
14.59.16.Remove the first row from a table with DefaultTableModel
14.59.17.Remove the last row from a table with DefaultTableModel
14.59.18.Move the first row to the end of the table
14.59.19.Move the first two rows to the end of the table
14.59.20.Move the last two rows to the start of the table
14.59.21.Move the last row to the beginning of the table
14.59.22.Get all the table data from DefaultTableModel
14.59.23.Copy (clone) the data from the second row
14.59.24.Overwrite the date from the first row with DefaultTableModel
14.59.25.Add rows to a Table
14.59.26.Sharing a Table Model Between JTable Components
14.59.27.Disabling User Edits in a JTable with DefaultTableModel
14.59.28.Appending a Row to a JTable Component
14.59.29.Copy data from a table to a list
14.59.30.Map TableModel
14.59.31.Bean Property Table Model