Goldie's UNIT 4 LESSON BUNDLE for AP® Computer Science A

AP® Computer Science A

Unit 4: Data Collections

Lesson Bundle

 

Goldie's Unit 4 Data Collection Lesson Bundle focuses on arrays, ArrayLists, enhanced for loops, traversals, and more. Every lesson is aligned to the 2025 AP CSA CED and designed to help students organize, store, and process data like real programmers. With engaging examples, guided notes, and thoughtful checks for understanding, this unit helps students level up their Java skills and prepare for the AP exam with confidence.

 

What’s Included in this Unit 4 Bundle?

 

17 Complete, Editable Lessons on:

• Ethical and Social Issues Around Data Collection
• Data Sets
• One-Dimensional Arrays
• Array Traversals
• Implementing Array Algorithms
• Using Text Files
• Wrapper Classes
• ArrayList
• ArrayList Traversals
• Implementing ArrayList Algorithms
• 2D Arrays
• 2D Array Traversals
• Implementing 2D array Algorithms
• Searching Algorithms
• Sorting Algorithms
• Recursion
• Tracing Recursive Output
• Recursive Searching and Sorting

 

Each Lesson Includes:

• Editable guided notes for students
• Student-friendly PowerPoint presentation
• Instructional video to support flipped or absent students
• Detailed lesson plan with pacing, learning goals, and built-in checks for understanding
• Unplugged homework assignment for extra practice (no computer needed!)

 

Perfect for:

✔ AP Computer Science A teachers using the 2025 CED

✔ Teachers looking for fully-prepped, editable lesson materials

✔ Classrooms that benefit from guided notes and visual instruction

 

If you are looking for my COMPLETE Unit 4 Bundle, which includes the above plus assessments, coding projects, and activities, you will want to grab Goldie's Complete Curriculum for Unit 4.

 

If you're tired of piecing together lessons or searching for aligned resources, this bundle is your no-stress answer for a successful AP® CSA year.

 

---

Interested in more of Goldie's Materials?

Goldie's FULL CURRICULUM for AP Computer Science A

 

Goldie's Complete Unit Curricula:

Unit 1 – Using Objects and Methods

Unit 2 – Selection and Iteration

Unit 3 – Class Creation

Unit 4 – Data Collection

 

Goldie's Assessments:

Unit 1 – Using Objects and Methods | Goldie's Assessments

Unit 2 – Selection and Iteration | Goldie's Assessments

Unit 3 – Class Creation | Goldie's Assessments

Unit 4 – Data Collection | Goldie's Assessments

Goldie's AP CSA Assessment Bundle

 

Goldie's Coding Projects and Activities:

Unit 1 – Using Objects and Methods | Goldie's Projects & Activities

Unit 2 – Selection and Iteration | Goldie's Projects & Activities

Unit 3 – Class Creation | Goldie's Projects & Activities

Unit 4 – Data Collection | Goldie's Projects & Activities

Goldie's AP CSA Projects & Activities Bundle

 

Goldie's Guided Notes and Homework:

Unit 1 Lesson Bundle

Unit 2 Lesson Bundle

Unit 3 Lesson Bundle

Unit 4 Lesson Bundle

 

*******************************************************************

 

Unit 1 Individual Lessons:

• Lesson 1 – Welcome to Java
• Lesson 2 – Variables and Data Types
• Lesson 3 – Expressions and Output
• Lesson 4 – Casting and Range of Variables
• Lesson 5 – Creating and Storing Objects
• Lesson 6 – Creating and Calling an Object's Methods
• Lesson 7 – String Manipulation
• Lesson 8 – Math Class

 

Unit 2 Individual Lessons:

• Lesson 1 – Conditional Statements
• Lesson 2 – Nested Selection
• Lesson 3 – Compound Boolean Expressions
• Lesson 4 – while Loops
• Lesson 5 – Implementing Selection and Iteration Algorithms
• Lesson 6 – for Loops
• Lesson 7 – Implementing String Algorithms
• Lesson 8 – Nested Iterations

 

Unit 3 Individual Lessons:

• Lesson 1 – Impacts of Program Design
• Lesson 2 – Program Design
• Lesson 3 – Classes and Constructors
• Lesson 4 – Accessor and Mutator Methods
• Lesson 5 – Class Variables and Methods
• Lesson 6 – References, Scope, and this

 

Unit 4 Individual Lessons:

• Lesson 1 – Ethical and Social Issues Around Data Collection
• Lesson 2 – Data Sets
• Lesson 3 – One Dimensional Arrays
• Lesson 4 – Array Traversals
• Lesson 5 – Implementing Array Algorithms
• Lesson 6 – Using Text Files
• Lesson 7 – Wrapper Classes
• Lesson 8 – ArrayList
• Lesson 9 – ArrayList Traversals
• Lesson 10 – Implementing ArrayList Algorithms
• Lesson 11 – 2D Arrays
• Lesson 12 – 2D Array Traversals
• Lesson 13 – Implementing 2D Array Algorithms
• Lesson 14 – Searching Algorithms
• Lesson 15 – Sorting Algorithms
• Lesson 16 – Recursion
• Lesson 17 – Tracing Recursive Output
• Lesson 18 – Recursive Searching and Sorting

 

If you need extra explanations or additional guidance, I would love to help!!

 

AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this product.

 

I want to provide the best possible resources to help other teachers out! You will be notified of any future updates and additions to this product and it will be free of charge. Your support is essential and I thank you for allowing me to continue doing what I love to do.

 

© Goldie’s Math Emporium, LLC

 

This work is bound by copyright laws and editing (beyond your own classroom use), selling, redistributing, or posting all or part of these documents on the Internet is strictly prohibited. Violations are subject to the Digital Millennium Copyright Act.