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Which of these is wildcard symbol?
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Education
Which of these is wildcard symbol?
asked
Feb 22, 2022
in
Education
by
JackTerrance
Which of these is wildcard symbol? (a) ? (b) ! (c) % (d) & I have been asked this question in an interview for internship. This question is from Wildcards in section Generics of Java Select the correct answer from above options
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answered
Feb 22, 2022
by
JackTerrance
Best answer
The correct choice is (a) ? To elaborate: In generic code, the question mark (?), called the wildcard, represents an unknown type.
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