RFR: 8344034: Remove security manager dependency in Serialization [v6]

[Sean Mullan]

On Wed, 13 Nov 2024 15:35:42 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> After [JDK-8338411](https://bugs.openjdk.org/browse/JDK-8338411), Serialization implementation dependencies on SecurityManager, doPrivildged, and AccessController are removed.
>> Some refactoring to cleanup the remaining code is expected.
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove unused imports

Looks good other than 2 small comments.

src/java.base/share/classes/java/io/ObjectInputStream.java line 281:

> 279:          * throwing {@link ClassNotFoundException}.
> 280:          */
> 281:         private static final boolean GETFIELD_CNFE_RETURNS_NULL = Boolean.getBoolean("jdk.serialGetFieldCnfeReturnsNull");

Nit: a bit of a long line, suggest breaking in two lines.

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Marked as reviewed by mullan (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22041#pullrequestreview-2436176284
PR Review Comment: https://git.openjdk.org/jdk/pull/22041#discussion_r1842276926