RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v16]

[Abhishek Kumar]

> 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:

  updated as per  review comments

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/9327/files
  - new: https://git.openjdk.org/jdk/pull/9327/files/45d017ed..e699f033

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=15
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=14-15

  Stats: 24 lines in 2 files changed: 5 ins; 4 del; 15 mod
  Patch: https://git.openjdk.org/jdk/pull/9327.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9327/head:pull/9327

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