Java Format: Unbound (saleable)
8th Edition
ISBN: 9780134448398
Author: SAVITCH, Walter
Publisher: Prentice Hall
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Textbook Question
Chapter 6, Problem 6PP
Complete and fully test the class Per n that Exercise 10 describes. Include the following additional methods:
- getName—returns the name of the person as a string.
- getAge—returns the age of the person.
- setName (first, last)—sets the name of the person, given a first and last name as strings.
- setName (name)—sets the name of the person, given the entire name as one string.
- setAge (age)—sets the age of the person.
- createToddler—a static method that returns a special instance of the class to represent a toddler. The instance has the name “A toddler” and the age 2.
- createPreschooler—a static method that returns a special instance of the class to represent a preschooler. The instance has the name “A preschooler” and the age 5.
- createAdolescent—a static method that returns a special instance of the class to represent an adolescent. The instance has the name “An adolescent” and the age 9.
- createTeenager—a static method that returns a special instance of the class to represent a teenager. The instance has the name “A teenager” and the age 15.
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Consider the DFA M = (Q,Σ,δ,q1,F) where Q = {q1,q2,q3,q4},Σ = {a,b},F = {q4} andδ(q1,a) = q2,δ(q2,b) = q3,δ(q3,a) = q4,δ(q3,b) = q1.Convert this DFA to a regular expression using the method discussed in class (as this automaticallyproves that the answer is correct, as the algorithm is proven correct). You only need to calculate sub-expressions if it is necessary towards the final answer. Also, simplify each subexpression using any lawdiscussed in class (including those derived on the board). To summarize, those were 1) (ε+ R)∗= R∗,2) S ·R∗= R∗if L(S) ⊆L(R∗) and ε ∈S, and 3) S + R = R if L(S) ⊆L(R).
Chapter 6 Solutions
Java Format: Unbound (saleable)
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