Mazer free response practice question

This problem is intended as practice with traversal of 2D arrays. The AP CS Pictures Lab demonstrates 2D array traversal.

Droppy free response practice question

This problem is intended as practice with traversal of 2D arrays and with String manipulation. The AP CS Magpie Lab demonstrates String manipulation. The AP CS Pictures Lab demonstrates 2D array traversal.

Flight free response practice question

Two dimensional arrays are tested on the AP Computer Science A Exam, often with a free response question. You will probably be required to loop through the entire data structure in a specified order. You might be required to loop through part of the data structure, which is more complex. This problem is intended as ...

Aquarium free response practice question

Some of the AP Computer Science Free Response Problems require you to manipulate an array or ArrayList in a way that is more complex than just looping through the entire data structure. You may also be required to manipulate the elements inside the structure. This problem is intended as practice with commonly tested manipulations.

GiraffeCritter free response practice question

Note: GridWorld will not be featured on the 2015 and subsequent AP CS Exams. One of the four free response problems on each AP Computer Science Exam references the GridWorld Case Study. Previous problems have required students to write the complete class for a creature that extends Critter.

GridTools free response practice question

Note: GridWorld will not be featured on the 2015 and subsequent AP CS Exams. One of the four free response problems on each AP Computer Science Exam references the GridWorld Case Study. Previous problems have required students to interact with the Grid interface and the Location class in complex ways. This problem is intended as ...

PirateParrot free response practice question 2

Inheritance and polymorphism is almost always tested in the multiple choice section and is occasionally featured in a free response question. The AP CS Elevens Lab features inheritance.

CandidatePool free response practice question 1

Many of the AP Computer Science Free Response Problems either explicitly test your ability to work with arrays and lists or implicitly require such ability. This problem is intended as practice with commonly tested techniques.