RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v15]

[Abhishek Kumar]

On Tue, 9 Aug 2022 13:32:09 GMT, Abhishek Kumar <duke at openjdk.org> wrote:

>> JFileChooser - empty file size issue fixed. 
>> For empty file, now the size 0 KB.
>> Manual Test Case "FileSizeCheck.java" created.
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   suggested review comments updated

@prsadhuk I have made few changes in formatting the file size, using MessageFormat and NumberFormat to format the file size with 1 decimal place precision. Earlier JFileChooser  show file size for "1.0" as "1", now it will show one decimal place precision. Empty files show as "0 KB".

![1_Decimal_Precision](https://user-images.githubusercontent.com/107542245/183662527-61c4ba88-5955-4958-9aa9-d45eb61eb710.png)

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PR: https://git.openjdk.org/jdk/pull/9327