FULL PRODUCT VERSION :
java version "1.6.0-beta2"
Java(TM) SE Runtime Environment (build 1.6.0-beta2-b86)
Java HotSpot(TM) Client VM (build 1.6.0-beta2-b86, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
In 1.6.0 setColumns doesn't have to include columns in border.
In 1.5.0 it did.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Create text area with 6 columns followed by space in border and 80 columns for text

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Text area with 80 columns after border
ACTUAL -
Text area with 87 columns after border

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
textArea = new JTextArea(24, 6 + 1+ 80);
textArea.setBorder(new BorderWithSixColumnsFollowedBySpace));


---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Change code to make number of columns in text area version dependent.

Release Regression From : 5.0
The above release value was the last known release where this
bug was not reproducible. Since then there has been a regression.