RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v27]

[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:

  Review comments fix

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9327/files
  - new: https://git.openjdk.org/jdk/pull/9327/files/cea398f5..99224c1c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=26
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=25-26

  Stats: 33 lines in 1 file changed: 2 ins; 20 del; 11 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