Given the code fragment: List pList = new CopyOnWriteArrayList (); Which statement is true?

A. Read access to the List should be synchronized.

B. Write access to the List should be synchronized.

C. Person objects retrieved from the List are thread-safe.

D. A Person object retrieved from the List is copied when written to.

E. Multiple threads can safely delete Person objects from the List.

Oracle

1Z0-805 · Question #42

1Z0-805 Question #42: Real Exam Question with Answer & Explanation

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Question

Given the code fragment: List<Person> pList = new CopyOnWriteArrayList<Person>(); Which statement is true?

Options

ARead access to the List should be synchronized.
BWrite access to the List should be synchronized.
CPerson objects retrieved from the List are thread-safe.
DA Person object retrieved from the List is copied when written to.
EMultiple threads can safely delete Person objects from the List.

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