Unverified95% confidenceFactTime unknown
Java的ConcurrentHashMap在JDK 7中通过分段锁实现线程安全，在JDK 8+中通过CAS+synchronized实现线程安全
1
Sources
95%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
只会调API的程序员，正在被AI编程工具淘汰
bilibililibertymama
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