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💻 AP Computer Science A Cheatsheets
Download the one-page AP Computer Science A cheatsheet PDF or browse AI-generated visual study aids with key formulas, concepts, and definitions for your exam review.
official one-pagers
Text cheatsheets made by Fiveable, in print-ready PDF.
the entire AP Computer Science A course on one page
Compiled by students and teachers, then reviewed and updated every year.
1 page · PDF · updated every year
one page per unit
Same format, one unit at a time, aligned to the 2026-2027 course.
Unit 1
Unit 2
Unit 3
Unit 4
Printable PDF · from the Fiveable shop
AP Computer Science A Cheatsheet Bundle
6 pages · Subject + 4 unit cheatsheets · PDF
visual cheatsheets
AI-generated one-pagers for a single topic. Make your own, or browse what other students have made.
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visual cheatsheet gallery
Unit 1 - 1.1 Why Programming? Why Java?
generated on 9/8/2026
Unit 1 - 1.1 Why Programming? Why Java?
customgenerated on 5/4/2026
Unit 1 - 1.2 Variables and Primitive Data Types
generated on 9/8/2026
Unit 1 - 1.3 Expressions and Assignment Statements
generated on 9/10/2026
Unit 1 - 1.4 Assignment Statements and Input
generated on 9/10/2026
Unit 1 - 1.4 Assignment Statements and Input
customgenerated on 6/3/2026
Unit 1 - 1.4 Assignment Statements and Input
customgenerated on 5/27/2026
Unit 1 - 1.5 Casting and Ranges of Variables
generated on 9/11/2026
Unit 1 - 1.6 Compound Assignment Operators
generated on 9/15/2026
Unit 1 - 1.7 Application Program Interface (API) and Libraries
generated on 9/15/2026
Unit 1 - 1.8 Documentation With Comments
generated on 9/23/2026
Unit 1 - 1.9 Calling a Void Method With Parameters
generated on 9/14/2026
Unit 1 - 1.10 Calling a Non-Void Method
generated on 9/14/2026
Unit 1 - 1.11 Using the Math Class
generated on 9/14/2026
Unit 1 - 1.12 Objects: Instances of Classes
generated on 9/15/2026
Unit 1 - 1.13 Creating and Storing Objects
generated on 9/15/2026
Unit 1 - 1.14 Calling a Void Method
generated on 9/3/2026
Unit 1 - 1.15 String Methods
generated on 4/25/2026
Unit 2 - 2.1 Algorithms with Selection and Repetition
generated on 5/14/2026
Unit 2 - 2.2 Boolean Expressions
generated on 9/23/2026
Unit 2 - 2.3 If Statements and Control Flow
generated on 9/23/2026
Unit 2 - 2.4 If-Else Statements
generated on 9/23/2026
Unit 2 - 2.5 Compound Boolean Expressions
generated on 9/23/2026
Unit 2 - 2.6 Equivalent Boolean Expressions
generated on 9/23/2026
Unit 2 - 2.7 While Loops
generated on 9/23/2026
Unit 2 - 2.8 For Loops
generated on 9/23/2026
Unit 2 - 2.9 Implementing Selection and Iteration Algorithms
generated on 9/23/2026
Unit 2 - 2.10 Developing Algorithms Using Strings
generated on 9/23/2026
Unit 2 - 2.11 Nested Iteration
generated on 9/23/2026
Unit 2 - 2.12 Informal Code Analysis
generated on 9/23/2026
Unit 3 - 3.1 Abstraction and Program Design
generated on 5/10/2026
Unit 3 - 3.2 Impact of Program Design
generated on 9/23/2026
Unit 3 - 3.3 Anatomy of a Class
generated on 9/23/2026
Unit 3 - 3.4 Constructors
generated on 9/23/2026
Unit 3 - 3.5 Writing Methods
generated on 9/23/2026
Unit 3 - 3.6 Accessor Methods
generated on 9/23/2026
Unit 3 - 3.7 Static Variables and Methods
generated on 9/23/2026
Unit 3 - 3.8 Scope and Access
generated on 9/23/2026
Unit 3 - 3.9 This Keyword
generated on 9/23/2026
Unit 4 - 4.1 Ethical and Social Implications
generated on 9/23/2026
Unit 4 - 4.2 Introduction to Using Data Sets
generated on 9/23/2026
Unit 4 - 4.3 Array Creation and Access
generated on 9/23/2026
Unit 4 - 4.4 Traversing Arrays
generated on 9/23/2026
Unit 4 - 4.5 Developing Algorithms Using Arrays
generated on 9/23/2026
Unit 4 - 4.6 Using Text Files
generated on 9/20/2026
Unit 4 - 4.7 Wrapper Classes: Integer and Double
generated on 9/23/2026
Unit 4 - 4.8 ArrayList Methods
generated on 5/4/2026
Unit 4 - 4.8 ArrayList Methods
customgenerated on 5/1/2026
Unit 4 - 4.8 ArrayList Methods
customgenerated on 4/29/2026
Unit 4 - 4.8 ArrayList Methods
customgenerated on 4/29/2026
Unit 4 - 4.9 Traversing ArrayLists
generated on 4/27/2026
Unit 4 - 4.10 Developing Algorithms Using ArrayLists
generated on 9/23/2026
Unit 4 - 4.11 2D Arrays
generated on 8/20/2026
Unit 4 - 4.12 Traversing 2D Arrays
generated on 9/23/2026
Unit 4 - 4.13 Implementing 2D Array Algorithms
generated on 9/23/2026
Unit 4 - 4.14 Searching
generated on 9/23/2026
Unit 4 - 4.15 Sorting
generated on 9/23/2026
Unit 4 - 4.16 Recursion
generated on 4/29/2026
Unit 4 - 4.16 Recursion
customgenerated on 4/28/2026
Unit 4 - 4.16 Recursion
customgenerated on 4/28/2026
Unit 4 - 4.16 Recursion
customgenerated on 4/28/2026
Unit 4 - 4.16 Recursion
customgenerated on 4/28/2026
Unit 4 - 4.16 Recursion
customgenerated on 4/28/2026
Unit 4 - 4.17 Recursive Searching and Sorting
generated on 5/9/2026
AP Computer Science A Exam - Multiple-Choice Questions (MCQ)
generated on 9/23/2026
AP Computer Science A Exam - FRQ 1 – Methods and Control Structures
generated on 9/23/2026
AP Computer Science A Exam - FRQ 2 – Class Design
generated on 9/23/2026
AP Computer Science A Exam - FRQ 3 – Data Analysis with `ArrayList`
generated on 9/23/2026
AP Computer Science A Exam - FRQ 4 – 2D Array
generated on 9/23/2026
about the AP Computer Science A cheatsheets
A cheatsheet condenses a whole course into the facts you actually need on exam day. The AP Computer Science A cheatsheets on this page summarize the key formulas, concepts, and definitions from each unit so you can review the entire course at a glance.
They work best as a final review: skim the one-page summary, spot the units you want to strengthen, then go deeper with the AP Computer Science A study guides. The visual cheatsheets in the gallery are organized by unit, and you can generate your own for any topic you want a quick refresher on.