From 9b6ac608ad37ef9909293bfddf18d4a2858a33eb Mon Sep 17 00:00:00 2001
From: Prasanta Sadhukhan <prasanta.sadhukhan@oracle.com>
Date: Mon, 19 Jan 2026 02:10:33 +0000
Subject: [PATCH] 8375573: JTable ignores setPreferredWidth during initial
 layout when AUTO_RESIZE_LAST_COLUMN is enabled

---
 src/java.desktop/share/classes/javax/swing/JTable.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/java.desktop/share/classes/javax/swing/JTable.java b/src/java.desktop/share/classes/javax/swing/JTable.java
index 1ebdfc584f6..d6865767bbd 100644
--- a/src/java.desktop/share/classes/javax/swing/JTable.java
+++ b/src/java.desktop/share/classes/javax/swing/JTable.java
@@ -3195,6 +3195,11 @@ public class JTable extends JComponent implements TableModelListener, Scrollable
     public void doLayout() {
         boolean prefWidthSet = false;
         TableColumn resizingColumn = getResizingColumn();
+        // doLayout is called for both pack and show
+        // so if initial preferred width is set by user then
+        // it needs to be honoured even if resizingColumn
+        // is set to last column on account of
+        // AUTO_RESIZE_LAST_COLUMN autoResizeMode
         for (int i = 0; i < columnModel.getColumnCount(); i++) {
             if (columnModel.getColumn(i).getPreferredWidth() != 75
                     && columnModel.getColumn(i).getWidth() == 75) {