RFR: JDK-8242804 Fix trivial deprecation issues in jdk.hotspot.agent

[Joe Darcy]

Looks fine Magnus; thanks,

-Joe

On 4/15/2020 1:18 AM, Magnus Ihse Bursie wrote:
> In the quest for getting rid of warning messages in jdk.hotspot.agent, 
> the time has now come for another major source of deprecation 
> messages, that are trivial to fix and might hide more tricky issues.
>
> This patch handles the "new Integer(42)" pattern of explicit boxing, 
> which is deprecated. I have fixed this using the improved autoboxing 
> functionality in modern Java (e.g. just "42"), wherever possible 
> (which was most places). For some cases, a modern factory method was 
> preferable.
>
> This patch also fixes newInstance() deprecation.
>
> As with the previous patches, it might be easier to just read the 
> patch file, 
> http://cr.openjdk.java.net/~ihse/JDK-8242804-SA-boxing-deprecations/webrev.01/open.patch. 
> (Fortunately, there are a log less changes in this patch than the 
> previous ones.)
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8242804
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8242804-SA-boxing-deprecations/webrev.01
>
> /Magnus