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Oracle

1Z0-898 · Question #16

1Z0-898 Question #16: Real Exam Question with Answer & Explanation

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Question

An application has three entities: the mapped super class person class entity, and the parent and child entities, which are subclasses of person. The application has created four entity Instances: Person1 is a Person entity with a primary key of 50 Parent1 is a Parent entity with a primary key of 100 Child1 is a chi id entity with a primary key of 400 Child2 is a child entity with a primary key of 600 Caching has been enabled in the persistence unit, the persistence provider supports caching, and none of entities have the Cacheable annotation applied, or a cacheable XML element in persistence.xml. The application executes the following code: Cache cache = . . . ; Cache.evict(person.class) Boolean result = cache.contains (Child.class, 400); Assume there is no concurrent activity involving the cache. Which two statements are correct? (Choose two)

Options

  • AOnly person1 will be removed from cache.
  • BPerson1, parent1, child1, and child2 will be removed from cache.
  • CResult is true
  • DResult is false

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