Adds JMH put/get throughput benchmarks (synchronizedMap vs ConcurrentHashMap, swept at 1/2/4/8 threads), a computeIfAbsent recursion trap demo (CHM tolerates recursion into a different key but throws IllegalStateException on the same key; plain HashMap throws ConcurrentModificationException even single-threaded), and a null-handling demo (CHM rejects null keys/values on put() and null keys on get() too). 7/7 JUnit tests pass; all output/ transcripts captured from real runs. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01FhzLY5p6okFva3qsnsRyvM
5 lines
348 B
Plaintext
5 lines
348 B
Plaintext
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Test set: com.ankurm.hashmapconcurrenthashmap.MapClaimsTest
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Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.101 s -- in com.ankurm.hashmapconcurrenthashmap.MapClaimsTest
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