Java 26 Warns of Deep Reflection - Inside Java Newscast
Java 26 will issue run-time warnings when a final field is mutated through reflection. This prepares a future change that will make such final field mutation illegal by default to improve Java's integrity - in this case of the keyword `final`. This will have beneficial effects on maintainability, security, and performance. While the recommendation is to move away from final field mutation, the new permanent command-line option `--enable-final-field-mutation` allows it for selected modules. To ease migration the more general but temporary option `--illegal-final-field-mutation` was also introduced.
~~~~~ Links ~~~~~
JEP 500: https://openjdk.org/jeps/500
Embracing Integrity by Default: https://openjdk.org/jeps/8305968#Embr...
~~~~~ Chapters ~~~~~
0:00 Intro
0:54 Final Field Mutation
3:55 Migration Path
6:17 Odds & Ends
7:53 Integrity by Default
Tags: #Java #OpenJDK #Security #Performance
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