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01
/ 10
How is atomicity and visibility of write operations in CopyOnWriteArrayList guaranteed in Java?
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A.
CopyOnWriteArrayList uses synchronized keyword
B.
Reading threads may see old array
C.
Single thread writes with ReentrantLock; volatile array reference makes current array visible; provides happens-before guarantee
D.
CopyOnWriteArrayList does not synchronize write operations
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