RFR: 8285452: Support new API to replace a file content using FileUtils.java [v3]

[Weijun Wang]

On Fri, 22 Apr 2022 14:35:14 GMT, Sibabrata Sahoo <ssahoo at openjdk.org> wrote:

>> A new API to support replacing selective lines with desired content.
>
> Sibabrata Sahoo has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update FileUtils.java

We have a test that dynamically downloads a source file, patches it, compiles it, and then runs it. We don't want to include a static copy of the file inside the test.

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PR: https://git.openjdk.java.net/jdk/pull/8360