Computer Science 252
Problem Solving with Java

Fall 2014, The College of Saint Rose

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Agenda

• Announcements
  • Lab 8: Final Project proposals due tomorrow night
• Exam 2 recap
• More ArrayList examples
• Lab 9: Simon out
• In-class Exercise 20 - (10 lecture assignment points) due before the end of class.

  Modify the Drag10Shirts example so that each TShirt object created has somewhere between 2 and 6 "stains" placed randomly on it. Each stain is a single graphics primitive (e.g., a FilledOval), and those stains are stored in an ArrayList within that TShirt, so that the stains move with the TShirt. You can earn full credit if all stains are the same size, color, and shape, but can earn up to 10 points of extra credit for more "interesting" stains.

  Please submit only the file TShirt.java in Submission Box under "InClass20" before you leave class.

Lecture 20 Assignment

Due at the start of class, Thursday, November 13.

Please submit answers to these questions in Submission Box under "LA20" 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 method that takes an ArrayList of Integer values as its parameter and returns the sum of all elements in the array. (4 points)

Terminology

• autoboxing/autounboxing
• iterate

Examples

• DragAllRoads
• DragAllRoadsRemove
• MovingFlags
• PongBricks
• DragAllRoadsForeach
• CourseGrades
• SoundPlayerDemo