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2011

Free-Response Questions: Annotated Solutions

The 2011 free-response questions are posted on the College Board's web site.

The x2011all.zip file contains complete Java classes for runnable projects with small test programs.

2011 AP* Computer Science A

A-1

In this question you have to work with one-dimensional arrays.

Solution and notes

A-2

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

Solution and notes

A-3

In this question you have to find a minimum in an ArrayList and move a robot right or left along a line.

Solution and notes

A-4

You need to traverse a two-dimensional array and manipulate strings.

Solution and notes



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