Object [] data2 = {"s21", "s22", "s22"};
Object [] data3 = {"s221", "s222", "s222"};
String[] header = {"abc", "cde", "def"};
DefaultTableModel model = new DefaultTableModel();
model.setColumnIdentifiers(header);
model.addRow(data1);
model.addRow(data2);
model.addRow(data3);
JTable table = new JTable(model);
//table.setDefaultRenderer(JPanel.class, new TestPanel());
/*table.getColumnModel().getColumn(0).setCellRenderer(new Tablabel());