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Oracle

1Z0-815 · Question #110

Which two statements are true for a two-dimensional array?

The correct answer is A. It is implemented as an array of the specified element type. D. All methods of the class Object may be invoked on the two-dimensional array. See the full explanation below for the reasoning.

Question

Which two statements are true for a two-dimensional array?

Options

  • AIt is implemented as an array of the specified element type.
  • BUsing a row by column convention, each row of a two-dimensional array must be of the same size
  • CAt declaration time, the number of elements of the array in each dimension must be specified
  • DAll methods of the class Object may be invoked on the two-dimensional array.

How the community answered

(21 responses)
  • A
    76% (16)
  • B
    10% (2)
  • C
    14% (3)

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