Computer Science 252
Problem Solving with Java

Spring 2014, The College of Saint Rose

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Agenda

• Announcements
  • Avoid distractions during class!
  • Lab 5: Frogger continues - due tomorrow night
  • Exam 2 next Thursday (3/27)
    • covers up to our current topic of recursion
    • focus on topics since last exam
    • sample exam questions coming Thursday
    • review time on advisement day (3/25), 10-11 AM, in our regular classroom
• More recursive structures and methods
• In-class Exercise 16 - (10 lecture assignment points) due before the end of class.

  Augment the NestedSquaresDrag example to include the following additional functionality:

  • All of the FramedRects in the NestedSquares object become red if the mouse moves over the object, and become black again when the mouse is moved off.
  • The NestedSquares object should be hidden when the mouse moves outside the canvas, and shown again when it moves back inside.

  Please submit an archive of your project folder in Submission Box under "InClass16" before you leave class.

• Non-graphical recursive methods
• Lab 6: Recursion out

Lecture 16 Assignment

Due at the start of class, Thursday, March 20.

Please submit answers to these questions in Submission Box under "LA16" or in hard copy by the start of our next class. We will discuss these questions at the start of class, so no late submissions are accepted. Please be sure that your name is clearly indicated in all submissions.

Write a Java application called Factorial.java, much like the Powers example that reads in a positive integer, then computes the factorial of that number, first using a method with a while or for loop, then with a recursive method. (6 points)

Examples

• NestedSquaresSizes
• Powers