[hardwired]

Code:

import javax.swing.*;
import javax.swing.table.*;

public class Test {
    public static void main(String[] args) {
        Test test = new Test();
        JTable table = new JTable(test.getModel());
        JOptionPane.showMessageDialog(null,
                new JScrollPane(table), "",
                JOptionPane.PLAIN_MESSAGE);
    }

    private AbstractTableModel getModel() {
        return new AbstractTableModel() {
            // You must specify at least these 3 methods.
            // See comments in AbstractTableModel api.
            public int getRowCount() { return 10; }

            public int getColumnCount() { return 4; }

            public Object getValueAt(int row, int col) {
                return String.valueOf((row+1)) + (col+1);
            }
        };
    }
}