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Free-Response Questions: Annotated Solutions

The 2012 free-response questions are posted on the College Board's web site.

The x2012all.zip file contains complete Java classes for runnable projects with small test programs.

2012 AP* Computer Science A


In this question you have to work with an ArrayList.

Solution and notes


This question deals with the GridWorld case study. You are asked to write a subclass of Bug.

Solution and notes


In this question you have to find a value and shift values in a one-dimensional array.

Solution and notes


In this question you need to count occurrences of a value and manipulate values in a two-dimensional array.

Solution and notes

Copyright © 2012 by Skylight Publishing

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