Virtually anyone could type in a person's username and pretend to be that person.
Answer the following statement true (T) or false (F)
True
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Answer the following questions true (T) or false (F)
1. An array has only one public instance variable, which is named length. 2. An arrays length instance variables value can be changed by a program.
The equals method is defined in the Object class. Which of the following is correct to override it in the String class?
a. public boolean equals(String other) b. public boolean equals(Object other) c. public static boolean equals(String other) d. public static boolean equals(Object other)
Which of the following job-blind process scheduling algorithms attempt to exploit processor affinity?
a) FIFO scheduling b) RRprocess scheduling c) SPF scheduling d) none of the above
State whether the following conclusion are true or false:
a. NOT (P(x) OR Q(x)) ? (NOT (P(x)) AND (NOT (Q(x))) b. NOT (? x) (P(x)) ? ? x (NOT (P(x)) b. (? x) (P(x)) ? ? x ((P(x))