Refer to the exhibit. Given that class A realizes interfaces X and Y, and that class B realizes interface Y and uses interface Z, what operations must class A support?

Question

Exhibit

Options

• Aunion of the operations in interfaces X and Y
• Bunion of the operations in interfaces X, Y, and Z
• Cintersection of the operations in interfaces X and Y
• Dintersection of the operations in interfaces X, Y, and Z
• Enot required to support any operations specified by the interfaces shown

• A
  73% (19)
• B
  15% (4)
• C
  4% (1)
• D
  8% (2)

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