RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v18]

[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 suggested changes

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/9327/files
  - new: https://git.openjdk.org/jdk/pull/9327/files/1d830a54..a5ae29c1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=17
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=16-17

  Stats: 50 lines in 2 files changed: 9 ins; 14 del; 27 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