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.
d. All of these statements are true.
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Which statement is false?
a) The actual data representation used within the class is of no concern to the class’s clients. b) Clients generally care about what the class does but not how the class does it. c) Clients are usually involved in a class’s implementation. d) Hiding the implementation reduces the possibility that other program parts will become dependent on class-implementation details.
Which of the following date() format codes identifies the time zone?
a. e b. d c. i d. I
If you have generated the IP address 165.100.18.44/18 by using CIDR, what is the number of bits used for the host identifier?
A. 14 B. 18 C. 44 D. 100
Which of the following symptoms is most likely related to leaked personal files/data on a mobile device?
A. Data transmission over limit B. Frozen system C. Dim display D. Touch screen nonresponsive