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jmm: Java Memory Model companion code (volatile, happens-before, DCL)

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Runnable jcstress + JUnit companion for the ankurm.com post on the
Java Memory Model, double-checked locking, and the volatile fix.
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asmhatre
2026-09-30 05:31:29 +00:00
commit f548d9eeb5
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jmm/output/03-final-field-publication.txt
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$ java -jar target/jcstress.jar -t FinalFieldPublicationTest -jvmArgs "-Xmx256m" -f 2 -iters 15 -time 1000
RUN RESULTS:
Interesting tests: No matches.
Failed tests: No matches.
Error tests: No matches.
All remaining tests: 1 matching test results.
.......... [OK] com.ankurm.jmm.FinalFieldPublicationTest
Results across all configurations:
RESULT SAMPLES FREQ EXPECT DESCRIPTION
0, 0 3,697,560,129 66.13% Acceptable Reader ran before the write was published at all.
0, 1 0 0.00% Forbidden Would mean the final-field safe-publication guarantee fai...
1, 0 0 0.00% Forbidden Would mean the final-field safe-publication guarantee fai...
1, 1 1,893,699,349 33.87% Acceptable Reader saw the fully-constructed FinalPayload.