Lecture 26 Objectives [Dec 12]prev

ART MOMENT:
 

Waterloo Bridge Artist: Claude Monet (1840-1926) Date: 1903   With student id, museum tickets cost only $8

By the beginning of today's class you should

HAVE READ:

• CS2102 Exam 3 Study Guide. Ok. So this wasn't ready in time for today's class. Still, it makes for a useful guide when considering the important questions we faced in class.

KNOW:

• Pretty much everything discussed this class

BE ABLE TO:

• Come to class on Thursday to take the final Exam

DAILY QUESTION:

• In the following code, the initial value of x is unreadable. However, you know that after the set of statements that x is an even number. What possible initial value(s) did x have?
   

  int x; x = SOME_UNREADABLE_VALUE; if (x < 10) if (x < 5) if (x < 1) x = 1; else if (x > 3) x = 4; else if (x < 12) x = 9; else x = 8; else x = 7; else x = 11;

  ah... the benefits of indentation! and proper formatting.

Sample Exam question(s)

1. You have been called in as the expert consultant to review the initial software design for the information maintained by an employee database of a nation-wide car rental company for the following problem:

An employee has a social security number, age, birthday, and ID that consists of two capital letters followed by 5 digits (i.e., AZ17623). The two letters that start the employee ID must be one of the fifty state abbrevations (i.e., MA, NY, or CA).

Given the following initial design, make three recommended changes (and provide your explanation). You will be graded on the decisions you recommend in addition to the reasoning behind them.