UniGeniusAP Computer Science A

The course

1
Start here
Section I: 42 multiple-choice questions in 90 minutes, 55% of the score. Section II: 4 free-response questions in 90 minutes, 45%.
Free: A tour of AP Computer Science A
2
Unit 1: Using Objects and Methods
15–25% of Section I, about 9 of the 42 questions
Free: Variables, types, expressions and output Casting, integer range and compound assignment APIs, comments, method signatures and the Math class Objects, constructors, instance methods and Strings 34 questions
3
Unit 2: Selection and Iteration
25–35% of Section I, about 12 of the 42 questions
Free: Boolean expressions and if statements Compound conditions, De Morgan's laws and equivalence while loops and for loops Loop algorithms, String algorithms, nested loops and run time 44 questions
4
Unit 3: Class Creation
10–18% of Section I, about 6 of the 42 questions
Free: Designing a class: fields, constructors and the impact of design Writing methods, references, static members, scope and this 28 questions
5
Unit 4: Data Collections
30–40% of Section I, about 15 of the 42 questions
Arrays and data sets: creating, traversing and array algorithms Reading text files and wrapper classes ArrayList methods, traversals and algorithms 2D arrays: creating, traversing and 2D algorithms Linear and binary search; selection, insertion and merge sort Recursion and recursive searching and sorting 51 questions
6
Exam skills
Section II: Methods and Control Structures (7 points), Class Design (7), Data Analysis with ArrayList (5), 2D Array (6)
Writing free-response code that earns every point