________ is a method reference for an instance method that should be called on a specific object. It creates a one-parameter lambda that invokes the instance method on the specified object—passing the lambda’s argument to the instance method—and returns the method’s result.
a. Math::sqrt
b. System.out::println
c. TreeMap::new
d. String::toUpperCase
b. System.out::println
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When you apply a Swap Image behavior to an item, how do you get the original image to return?
What will be an ideal response?
How many bits are in four bytes?
A. 32 B. 64 C. 16 D. 8
The following code fragment reads in two numbers:
``` Scanner input = new Scanner(System.in); int i = input.nextInt(); double d = input.nextDouble(); ``` What is the incorrect way to enter these two numbers? a. Enter an integer, a space, a double value, and then the Enter key. b. Enter an integer, two spaces, a double value, and then the Enter key. c. Enter an integer, an Enter key, a double value, and then the Enter key. d. Enter a numeric value with a decimal point, a space, an integer, and then the Enter key.
A client/server network is an example of ________ administration
A) central B) local C) wide area D) remote