Oracle
1Z0-895 · Question #32
1Z0-895 Question #32: Real Exam Question with Answer & Explanation
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Question
A developer writes a Singleton bean that holds state for a single coordinate: An update thread acquires an EJB reference to CoordinateBean and alternates between invoking SetCoordinate (0, 0) and SetCoordinate (1, 1) in a loop. At the same time, ten reader threads each acquire an EJB reference to CoordinateBean and invoke getCoordinate () in a loop. Which represents the set of all possible coordinate values [X, Y] returned to the reader threads?
Exhibit
Options
- A[0, 0]
- B[1, 1]
- C[0, 0], [1, 1]
- D[0, 0], [0, 1], [1, 0], [1, 1]
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