Answer:
When a lot of letters with the same body text need to be personalized.
Explanation:
Answer: Precondition
Explanation: Precondition statement is the statement that has the condition for the particular program that has to be correct or true before the execution otherwise the condition can result as undefined. This statement checks that there is no error in the statement before the function gets called. Similarly post condition is for the checking of the statement after being executed.
Answer:
Check the explanation
Explanation:
To solve the above question.
The two valid classes are:
1. Patron_identity
2. Books
Class generalization can be between Books and Patrol_identity to create a new superclass for All The Books that this patron has ever checked out.
Two valid associations can be between:
1.Patron_identity and books
2.Books and library catalogue
The result of MINUS operator will be 10 - 2 = 8 records (number of records in CUSTOMER - number of common records).