8375573: JTable ignores setPreferredWidth during initial layout when AUTO_RESIZE_LAST_COLUMN is enabled

Author: prsadhuk

src/java.desktop/share/classes/javax/swing/JTable.java

@@ -3195,6 +3195,11 @@ private int viewIndexForColumn(TableColumn aColumn) {
     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) {