Unit 8: 2D Arrays
Class Periods: 10-12 (including labs)
AP CSA Exam Weighting: 7.5-10%
8.1. Two-dimensional (2D) Arrays
- 8.1.1. 2D Arrays (Day 1)
- 8.1.2. Array Storage
- 8.1.3. How Java Stores 2D Arrays
- 8.1.4. Declaring 2D Arrays
- 8.1.5. Set Value(s) in a 2D Array (Day 2)
- 8.1.6. Initializer Lists for 2D Arrays
- 8.1.7. Get a Value from a 2D Array
- 8.1.8. Programming Challenge : ASCII Art
- 8.1.9. Summary
- 8.1.10. 2D Arrays Game
8.2. Traversing 2D Arrays (nested loops)
- 8.2.1. Nested Loops for 2D Arrays (Day 1)
- 8.2.2. Getting the Number of Rows and Columns
- 8.2.3. Looping Through a 2D Array
- 8.2.4. AP Practice
- 8.2.5. Enhanced For-Each Loop for 2D Arrays (Day 2)
- 8.2.6. 2D Array Algorithms
- 8.2.7. 2D Array of Objects
- 8.2.8. Programming Challenge : Picture Lab
- 8.2.9. Summary
- 8.2.10. AP Practice
- 8.2.11. 2D Arrays and Loops Game
8.3. 2D Arrays Summary
- 8.3.1. Concept Summary
- 8.3.2. Vocabulary Practice
- 8.3.3. Common Mistakes
8.4. Mixed Up Code Practice
8.5. Toggle Mixed Up or Write Code Practice
8.6. Code Practice with 2D Arrays
8.7. Free Response Questions
- 8.7.1. Free Response - Gray Image A
- 8.7.1.1. How to solve this problem
- 8.7.1.2. Algorithm
- 8.7.1.3. Try and Solve It
- 8.7.1.4. Video - One way to code the solution
- 8.7.2. Free Response - Gray Image B
- 8.7.2.1. How to solve this problem
- 8.7.2.2. Algorithm
- 8.7.2.3. Try and Solve It
- 8.7.2.4. Video - One way to code the solution
- 8.7.3. Free Response - Route Cipher A
- 8.7.3.1. How to Solve This
- 8.7.3.2. The Algorithm
- 8.7.3.3. Try And Solve It
- 8.7.4. Free Response - Route Cipher B
- 8.7.4.1. How to Solve This
- 8.7.4.2. Solve Part B
- 8.7.4.3. Alternate Recursive Solution
8.8. Multiple-Choice Exercises
- 8.8.1. Easier Multiple Choice Questions
- 8.8.2. Medium Multiple Choice Questions
- 8.8.3. Hard Multiple Choice Questions
8.9. College Board Picture Lab and Steganography Lab for 2D Arrays
- 8.9.1. Picture Lab A1 - A3
- 8.9.1.1. A1 Introduction to Digital Pictures and Color
- 8.9.1.2. A2: Picking a Color
- 8.9.1.3. A3: Exploring a Picture
- 8.9.2. Picture Lab A4: 2D Arrays in Java
- 8.9.3. Picture Lab A5: Modifying a Picture
- 8.9.3.1. Picture Classes: UML and Inheritance
- 8.9.3.2. Image Modification Exercises
- 8.9.4. Picture Lab A6: Mirroring Pictures
- 8.9.5. Picture Lab A7: Mirroring Part of a Picture
- 8.9.6. Picture Lab A8: Creating a Collage
- 8.9.7. Picture Lab A9: Simple Edge Detection
- 8.9.7.1. Edge Detection
- 8.9.7.2. How image processing is related to new scientific breakthroughs
- 8.9.7.3. Steganography Lab
8.10. More Code Practice with 2D Arrays