AP CSA Practice Tests by Topic

2025-2026 Curriculum Aligned

AP CSA Practice Tests by Topic

Master every Java concept with focused practice tests. 14 topic-specific quizzes organized by the official 4-unit AP Computer Science A curriculum.

14 Topic Tests

140+ Questions

4 Units Covered

100% Free Access

Jump to Unit

Unit 1: Objects and Methods Unit 2: Selection and Iteration Unit 3: Class Creation Unit 4: Data Collections

Unit 1: Using Objects and Methods

Primitives, expressions, String methods, Math class, and object basics

int

Primitives and Casting

Data types, type casting, integer division, and arithmetic expressions with mixed types.

10 Questions Unit 1

Math

Math and Random

Math.abs(), Math.pow(), Math.sqrt(), and generating random numbers in specific ranges.

10 Questions Unit 1

Str

String Methods

length(), substring(), indexOf(), equals(), compareTo(), and String immutability.

10 Questions Unit 1

Unit 2: Selection and Iteration

Boolean logic, conditionals, loops, and control flow

T/F

Boolean Logic

AND, OR, NOT operators, De Morgan's Laws, truth tables, and compound conditions.

10 Questions Unit 2

Conditionals

if, else if, else statements, nested conditionals, and conditional logic patterns.

10 Questions Unit 2

for

Loops

for loops, while loops, nested loops, loop tracing, and common loop algorithms.

10 Questions Unit 2

Unit 3: Class Creation

Writing classes, constructors, methods, encapsulation, and object-oriented design

{ }

Class Design

Instance variables, access modifiers, encapsulation, and object-oriented principles.

10 Questions Unit 3

( )

Constructors and Methods

Writing constructors, accessor/mutator methods, parameters, and return values.

10 Questions Unit 3

static

Static Methods and Variables

Static vs instance context, class-level state, calling conventions, and common pitfalls.

10 Questions Unit 3

Unit 4: Data Collections

Arrays, ArrayList, 2D arrays, searching, sorting, and recursion

arr

Arrays

Array declaration, initialization, traversal, bounds checking, and common array algorithms.

10 Questions Unit 4

[ ]

ArrayList

ArrayList methods, traversal, adding/removing elements, and wrapper classes.

10 Questions Unit 4

[[ ]]

2D Arrays

Row-major traversal, column traversal, nested loops, and 2D array algorithms.

10 Questions Unit 4

O(n)

Searching and Sorting

Linear search, binary search, selection sort, insertion sort, and merge sort concepts.

10 Questions Unit 4

f(n)

Recursion

Recursive methods, base cases, recursive tracing, and recursive vs iterative solutions.

10 Questions Unit 4

How to Use These Practice Tests

Target your weak spots: Take tests on topics where you need the most practice
Predict before you peek: Try to answer each question before looking at the choices
Review explanations: Read the detailed explanations even for questions you got right
Simulate exam conditions: Time yourself and avoid looking up answers
Retake after review: Come back in a few days to reinforce what you learned

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Once you have mastered individual topics, test your skills with our comprehensive practice exam that mirrors the real AP test format.

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