Advanced Placement · College Board

Computer Science A AP

Computer Science A AP revision notes for Advanced Placement.

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Explore 22 topic notes, learning objectives and practice.

2025–26 CED (current)

Algorithms, compilers and programming errors5 learning objectives · 9 practice questions
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Primitive types, expressions, assignment and casting6 learning objectives · 10 practice questions
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APIs, documentation, method signatures and class methods6 learning objectives · 9 practice questions
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Objects: classes, instantiation and calling instance methods6 learning objectives · 8 practice questions
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The Math class and String manipulation6 learning objectives · 8 practice questions
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Boolean expressions, if statements and comparing objects6 learning objectives · 8 practice questions
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while and for loops, standard loop algorithms and String algorithms5 learning objectives · 9 practice questions
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Nested iteration and informal run-time analysis4 learning objectives · 6 practice questions
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Abstraction and program design5 learning objectives · 8 practice questions
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Impact of program design: reliability, society, intellectual property and AI5 learning objectives · 9 practice questions
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Anatomy of a class: instance variables, constructors and encapsulation6 learning objectives · 7 practice questions
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Writing methods: return values, object parameters, static members, scope and this6 learning objectives · 9 practice questions
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Ethical and social issues around data collection, including AI5 learning objectives · 7 practice questions
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Working with data sets4 learning objectives · 7 practice questions
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Arrays: creation, access and traversal5 learning objectives · 9 practice questions
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Implementing array algorithms6 learning objectives · 10 practice questions
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Reading data from text files with File and Scanner6 learning objectives · 8 practice questions
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Wrapper classes and ArrayList: methods and traversal6 learning objectives · 10 practice questions
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Implementing ArrayList algorithms6 learning objectives · 11 practice questions
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Two-dimensional arrays: creation, traversal and algorithms6 learning objectives · 10 practice questions
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Searching and sorting algorithms6 learning objectives · 9 practice questions
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Recursion: tracing recursive methods, recursive searching and merge sort6 learning objectives · 9 practice questions
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190 practice questions across 22 topics. Free accounts practise with 20 sample questions in this subject; paid plans include every question.