________ 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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The _______ is a collection of hardware and software associated with the Internet that allows computer users to locate and view multimedia-based documents on almost any subject.
a) HyperText Markup Language b) HyperText Transfer Protocol c) World Wide Web d) CERN
What is the output of the following code?
``` public class Test { public static void main(String[] args) { String s1 = new String("Welcome to Java"); String s2 = s1; s1 += "and Welcome to HTML"; if (s1 == s2) System.out.println("s1 and s2 reference to the same String object"); else System.out.println("s1 and s2 reference to different String objects"); } }``` a. s1 and s2 reference to the same String object b. s1 and s2 reference to different String objects
Which popular wireless sniffer is an IDS that is passive and undetectable in operation?
A. Kismet B. NetStumbler C. AirSnort D. Aircrack-ng
When evaluating a website, testing the relevancy of a site means checking the intended audience
Indicate whether the statement is true or false