Which of the following is not a wildcard type in Java generics?Select one:a. *b. ?c. +d. -
Question
Which of the following is not a wildcard type in Java generics?Select one:a. *b. ?c. +d. -
Solution
The correct answer is a. "". In Java generics, the wildcard types are "?" (unknown type), "+" (upper bounded wildcard), and "-" (lower bounded wildcard). The "" is not a wildcard type in Java generics.
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