In the context of class attributes, oneshould use names that describe the appearance of a class rather than descriptive names that illustrate the purpose of the class.?
Answer the following statement true (T) or false (F)
False
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Consider a class PersonAddress that represents an entry in an address book. Its attributes are
• The first name of the person • The last name of the person • The e-mail address of the person • The telephone number of the person It will have methods to • Access each attribute • Change the e-mail address • Change the telephone number • Test whether two instances are equal based solely on name a. Write a method heading for each method. b. Write preconditions and postconditions for each method. c. Write some Java statements that test the class. d. Implement the class.
After you determine what the program of Exercise 5.45 does, modify the program to func- tion properly after removing the restriction that the second argument be nonnegative.
What will be an ideal response?
Do you have any recommendations for future changes to the system that would make it easier for employees to use?
What will be an ideal response?
Select the statement that accurately describes a situation in which there is too much data to properly understand or make use of it.