Which of the following is not true about static methods?
a. They are created by placing the key word static after the access specifier in the method header.
b. It is necessary for an instance of the class to be created to execute the method.
c. They are called directly from the class.
d. They are often used to create utility classes that perform operations on data but have no need to store and collect data.
b. It is necessary for an instance of the class to be created to execute the method.
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Which syntax imports all static members of class Math?
a. import java.lang.Math.*. b. import static java.lang.Math.*. c. import static java.lang.Math. d. None of the above.
Which of the following represents a method of connection to the Internet?
A) radio B) DSL telephone service C) dial-up telephone service D) all of the above
Your organization decides to use digital signatures to sign messages. In addition, the messages will be encrypted. Which security tenets are covered by this implementation?
A. confidentiality B. authentication C. nonrepudiation D. integrity E. options a and b only F. options c and d only G. options b, c, and d only H. all of the options
Case-Based Critical Thinking QuestionsCase 1-1Sarah is a very active real estate agent. She is looking to purchase a new computer and software so she can keep track of her client’s accounts, access the Internet from anywhere in the city, and touch-up photos of real estate properties. What kind of computer would most likely fit Sarah’s needs?
A. midrange server B. embedded C. notebook D. docking station