Practice these Wildcards under Java Programming walk-in interview Questions/ examination questions with best tricks and short cuts with solution. Student (candidate) who want to crack the walk in interview, competitive exams and want to find short cuts and tricks to solve questions on Wildcards for following purpose.
– Anyone who is wishing to increase their perfect knowledge of Wildcards of Java Programming.
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– Anyone who is preparing for interviews (competitive examinations, govt examinations and bank examinations, off-campus or on campus interviews, walk-in interview and company interviews) having questions on Wildcards under Java Programming.
– Anyone who is preparing for aptitude test or competitive exam or entrance exam.
– Anyone who is preparing for entrance examinations and other competitive examinations.
– All Experienced, Freshers and Students.
Here is list of Questions and Answers covering all key area of Wildcards topic of Java Programming:
Answer: Option A
The wildcard can be used in a variety of situations: as the type of a parameter, field, or local variable; sometimes as a return type (though it is better programming practice to be more specific). The wildcard is never used as a type argument for a generic method invocation, a generic class instance creation, or a supertype.