Java Swing How to - Add columns and editable rows dynamically to a table model

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Question

We would like to know how to add columns and editable rows dynamically to a table model.

Answer

import java.awt.BorderLayout;
/*from  w  w w  .j  av  a2 s.c om*/
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class Main {
  public static void main(String[] args) throws InterruptedException {
    JFrame f = new JFrame();

    DefaultTableModel m = new DefaultTableModel();
    JTable t = new JTable(m);

    f.add(new JScrollPane(t), BorderLayout.CENTER);
    f.setVisible(true);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    m.addColumn("A");
    m.addRow(new String[] { "A1" });

    Thread.sleep(2000);

    m.addColumn("B");
    m.addRow(new String[] { "A2", "B2" });
  }
}

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