What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)? In the JavaDoc for JTable, read the docs for doLayout() very carefully. Here are some choice bits: When the method is called as a result of the resizing of an enclosing window, the resizingColumn is null. This means that resizing has taken … Read more
You can override the method isCellEditable and implement as you want for example: //instance table model DefaultTableModel tableModel = new DefaultTableModel() { @Override public boolean isCellEditable(int row, int column) { //all cells false return false; } }; table.setModel(tableModel); or //instance table model DefaultTableModel tableModel = new DefaultTableModel() { @Override public boolean isCellEditable(int row, int column) … Read more
The TableModel behind the JTable handles all of the data behind the table. In order to add and remove rows from a table, you need to use a DefaultTableModel To create the table with this model: JTable table = new JTable(new DefaultTableModel(new Object[]{“Column1”, “Column2”})); To add a row: DefaultTableModel model = (DefaultTableModel) table.getModel(); model.addRow(new Object[]{“Column … Read more
Nested/Combination Layout Example The Java Tutorial has comprehensive information on using layout managers. See the Laying Out Components Within a Container lesson for further details. One aspect of layouts that is not covered well by the tutorial is that of nested layouts, putting one layout inside another to get complex effects. The following code puts … Read more