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AP® Computer Science A Practice Test

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Unit 1: Primitive Types (46) 4
  • Primitive data types including int; double and Boolean 10 1
  • Evaluating arithmetic expressions in program code 16 3
  • Using assignment operators to produce a value 10 0
  • How variables and operators are sequenced and combined in an expression to create a result 10 0
Unit 2: Using Objects (81) 7
  • Objects and classes as ways to describe instances; attributes and behaviors 10 1
  • Creating objects by calling constructors with and without parameters 11 1
  • Utilizing class libraries; including Integer and Double 15 0
  • Defining an object’s behavior using methods; including static and Math class 11 1
  • Calling non-static void methods with and without parameters 10 0
  • Using String objects and methods 13 4
  • Using application program interfaces (APIs) and libraries 11 0
Unit 3: Boolean Expressions and if Statements (61) 9
  • Finding Boolean values with expressions involving relational operators 13 4
  • Using conditional statements to execute different statements based on input values 15 3
  • Building on conditional statements to create multiple possible outcomes 10 0
  • Creating the same value using equivalent Boolean expressions 13 2
  • Referencing objects with aliases 10 0
Unit 4: Iteration (56) 15
  • Creating a loop to run an expression repeatedly until certain conditions are met 15 7
  • Standard arithmetic-based and String algorithms 11 0
  • Representing iterative processes in code using for and while loops 20 7
  • Nesting loop and iteration statements 10 1
Unit 5: Writing Classes (89) 9
  • The makeup of a class; including whether attributes are public or private 13 1
  • Setting an object’s attributes using constructors 13 0
  • Using comments to describe the functionality of code 10 0
  • Defining behaviors of an object using non-void; void and static methods 20 7
  • Where variables can be used in program code 10 0
  • Breaking problems into smaller parts by creating methods to solve individual subproblems 11 1
  • Intellectual property and ethical concerns in programming 12 0
Unit 6: Array (45) 13
  • Representing multiple related items as array objects 10 1
  • Traversing an array by accessing the elements using iteration statements 22 9
  • Standard algorithms that utilize array traversals to perform functions 13 3
Unit 7: ArrayList (59) 2
  • Representing collections of related object reference data using ArrayList objects 13 1
  • Traversing an ArrayList by accessing the elements using iteration statements 15 1
  • Standard algorithms that utilize ArrayList traversals to perform functions 10 0
  • Searching and sorting using standard algorithms 11 0
  • Ethical issues around data collections 10 0
Unit 8: 2D Array (21) 4
  • Representing collections of data as arrays of arrays or 2D arrays 10 1
  • Traversing a 2D array by accessing the elements using nested iteration statements 11 3
Unit 9: Inheritance (48) 4
  • Using common attributes and behaviors to group existing objects into superclasses 11 1
  • Defining and overriding methods within subclasses and superclasses 16 2
  • Creating references using inheritance hierarchies 11 1
  • Associating subclass objects with superclasses to create polymorphism 10 0
Unit 10: Recursion (31) 6
  • Executing recursive methods 18 6
  • Searching and sorting using binary search and merge sort algorithms 13 0
Prcatice by Year
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Previous Year Free Response Questions (0) 20
  • AP Computer Science A 2024 (0) 4
  • AP Computer Science A 2023 (0) 4
  • AP Computer Science A 2022 (0) 4
  • AP Computer Science A 2021 (0) 4
  • AP Computer Science A 2019 (0) 4