RFR: 6441373: Editing JTable is not Serializable

[Tejesh R]

On Tue, 20 Jan 2026 09:12:44 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The patch implements serialization for editable JTables. Currently, most classes responsible for JTable editing are not serializable, so trying to serialize them causes an exception. The patch has two parts:
> 
>  - The editable JTable is reset to non-editable using the common pattern stopCellEditing + cancelCellEditing. This is added to the compWriteObjectNotify method, which acts as an entry point for serialization of Swing components. It allows actions to be performed before the parent classes are serialized.
> 
>  - The editing coordinates for all JTables are reset to -1. Before this patch, even non-editable JTables had their coordinates reset to 0 from -1 because the fields were transient.

test/jdk/javax/swing/JTable/JTableSerialization.java line 50:

> 48: 
> 49:     private static JTable table;
> 50:     private static JLabel label;

`label` cab be local variable.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29313#discussion_r2735110639