A fingerprint scanner is what type of device?
A) USS
B) Hardware token
C) Biometric
D) Key fob
C
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Which would be the bottom class if the following classes were in a hierarchy?
a) mammal b) cat c) tiger d) animal
Which of the following statements is false?
a. Functional interfaces are also known as single abstract method (SAM) interfaces. b. Package java.util.function contains six basic functional interfaces BinaryOperator, Consumer, Function, Predicate, Supplier and UnaryOperator. c. There are many specialized versions of the six basic functional interfaces for use with int, long and double primitive values. There are also generic customizations of Consumer, Function and Predicate for binary operations—that is, methods that take two arguments. d. All of these statements are true.
If you click ____ in the Print dialog box, your handouts will print in shades of black and white.
A. Color B. Grayscale C. Black and White D. Default
Which of the following is a base case for a recursive binary search algorithm? (first is the index of the first item in the array, last is the index of the last item in the array, and mid is the midpoint of the array).
a. last > first b. first > last c. 0 <= first d. last <= SIZE-1