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Exam 1z0-809 topic 1 question 127 discussion

Actual exam question from Oracle's 1z0-809
Question #: 127
Topic #: 1
[All 1z0-809 Questions]

Given the code fragment:

You have been asked to define the ProductCode class. The definition of the ProductCode class must allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.
Which definition of ProductCode meets the requirement?
A.

B.

C.

D.

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Suggested Answer: B
by Svetleto13 at May 13, 2021, 2:52 p.m.

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asdfjhfgjuaDCV
4 months, 1 week ago
b is correct
upvoted 1 times
...
steefaand
5 months, 1 week ago
B is correct, tested.
upvoted 1 times
...
duydn
10 months ago
B is correct: String not extend from Number -> make c2 compilation error
upvoted 1 times
...
Ohayou
2 years, 4 months ago
Answer B
upvoted 1 times
...
Svetleto13
3 years, 2 months ago
B,tested
upvoted 4 times
...
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