RFR: 8252537: Updated @exception with @throws

[Roger Riggs]

On Wed, 9 Sep 2020 19:29:30 GMT, Vipin Sharma <vsharma at openjdk.org> wrote:

> Updated @exception with @throws for core-libs, it fixes all open sub-tasks of JDK-8252536.
> 
> Open Subtasks part of this fix are:
> 1. JDK-8252537
> 2. JDK-8252539
> 3. JDK-8252540
> 4. JDK-8252541
> 
> Previous conversation on this:
> https://mail.openjdk.java.net/pipermail/core-libs-dev/2020-September/068540.html

Please re-indent the @throws lines to add 3 spaces after so that the comments are aligned as they were previously.

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Changes requested by rriggs (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/95