How is creating a subclass of an existing class different from copying the code from the existing class to a new file?
A. delete all the methods that don't have to change
B. you don't need an __init__ method
C. the name of the subclass is in parentheses of the class header
D. no methods need be created or modified
Answer: A
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A function ________ includes the statements that make up the function.
A) definition B) prototype C) call D) heading E) parameter
A ________________ diagram helps us visualize the contents of and relationships among the classes of a program.
a) class and object b) UML c) object-oriented d) public e) private
The Office 365 University edition is limited to _________________________ computers.
Fill in the blank(s) with the appropriate word(s).
Consider the following relation for published books:
BOOK (Book_title, Authorname, Book_type, Listprice, Author_affil, Publisher) Author_affil referes to the affiliation of the author. Suppose the following dependencies exist: Book_title -> Publisher, Book_type Book_type -> Listprice Author_name -> Author-affil (a) What normal form is the relation in? Explain your answer. (b) Apply normalization until you cannot decompose the relations further. State the reasons behind each decomposition.