Given the code fragment:

Which "for" loop produces the same output?

• A.Option D
• B.Option B
• C.Option A
• D.Option C

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Given:

What is the result?

• A.Keys: 0 Values: 0 Map: 0
• B.Keys: 4 Values: 4 Map: 0
• C.The compilation fails.
• D.Keys: 4 Values: 4 Map: 4
• E.Keys: 0 Values: 0 Map:

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Given:

and:

Which code, when inserted on line 10, prints the number of unique localities from the roster list?

• A.map(e -> e.getLocality())
  .count();
• B..map(e -> e.getLocality())
  .collect(Collectors.toSet())
  .count();
• C..map(Employee::getLocality)
  .distinct()
  .count();
• D..filter(Employee::getLocality)
  .distinct()
  .count();

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Given:

Which statement is true about the Fox class?

• A.The inhabit method implementation from the first interface that Fox implements will take precedence.
• B.Fox class must implement either Forest or Town interfaces, but not both.
• C.Fox class must provide implementation for the inhabit method.
• D.Fox class does not have to override inhabit method, so long as it does not try to call it.
• E.Fox class does not have to override the inhabit method if Forest and Town provide compatible implementations.

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Given:

and

What is the result?

• A.A NullPointerException is thrown at run time.
• B.The compilation fails.
• C.1
  Null
  null
• D.1
  1
  1
• E.A ClassCastException is thrown at run time.

Correct Answer: B

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