Ajustar las columnas de un jtable a su data

public void adjustColumnSizes(JTable table, int column, int margin) { DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel(); TableColumn col = colModel.getColumn(column); int width; TableCellRenderer renderer = col.getHeaderRenderer(); if (renderer == null) { renderer = table.getTableHeader().getDefaultRenderer(); } Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0); width = comp.getPreferredSize().width; for (int r = 0; r < table.getRowCount(); r++) { renderer = table.getCellRenderer(r, column); comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, column), false, false, r, column); int currentWidth = comp.getPreferredSize().width; width = Math.max(width, currentWidth); } width += 2 * margin; col.setPreferredWidth(width); col.setWidth(width); }