RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v26]

[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:

  Filesize calculation logic modified

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9327/files
  - new: https://git.openjdk.org/jdk/pull/9327/files/8ffcc83a..cea398f5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=25
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=24-25

  Stats: 31 lines in 2 files changed: 7 ins; 2 del; 22 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