What is use of wildcards?
A. It is used in cases when type being operated upon is not known.
B. It is used to make code more readable.
C. It is used to access members of super class.
D. It is used for type argument of generic method
Answer:A
What is use of wildcards?
A. It is used in cases when type being operated upon is not known. B. It is used to make code more readable. C. It is used to access members of super class. D. It is used for type argument of generic method