Which of the following statements is false?
a. Wildcard type arguments enable you to specify method parameters, return values, variables, and so on, that act as supertypes of parameterized types.
b. A wildcard-type argument is denoted by ?, which represents an “unknown type.”
c. Because a wildcard is a type-parameter name, you can use it as a type name throughout a method’s body.
d. If a wildcard is specified without an upper bound, then only the methods of type Object can be invoked on values of the wildcard type.
c. Because a wildcard is a type-parameter name, you can use it as a type name throughout a method’s body. Actually, because a wildcard is not a type-parameter name, you cannot use it as a type name throughout a method’s body.
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If a long-running calculation were to be performed synchronously in a GUI app, ________.
a) the GUI app would split off the long-running calculation into a separate thread. b) the GUI would freeze until the calculation completed and the user would not be able to interact with the app c) the app would terminate d) the app would deadlock
Quick Steps allows you to customize email actions that you use most often.
Answer the following statement true (T) or false (F)
A computer can process 100 records of data in 200 milliseconds. If a millisecond is 1/1000 of a second, how many seconds does it take to process a file of 1000 records?
Solution 2 (using unit analysis)
Screen elements that are part of the worksheet are modified only in that worksheet and not in other worksheets and workbooks.
Answer the following statement true (T) or false (F)