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Question

Which of these is an correct way making a list that is upper bounded by class Number?

a.

List<? extends Number>

b.

List<extends ? Number>

c.

List(? extends Number)

d.

List(? UpperBounds Number)

Posted under Java Programming

Answer: (a).List<? extends Number>

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Q. Which of these is an correct way making a list that is upper bounded by class Number?
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