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2008

Free-Response Questions: Annotated Solutions

The 2008 free-response questions are posted on The College Board's web site:

The x2008all.zip file contains complete Java classes for runnable projects with small test programs.

2008 AP* Computer Science A

A-1

In this question you have to use provided classes and find the smallest value in an ArrayList.

Solution and notes

A-2

In this question you have to manipulate strings and access their substrings.

Solution and notes

A-3

This question deals with the GridWorld case study.  You have to write two methods for a subclass of Critter.

Solution and notes

A-4

This question asks you to write two classes that implement a given interface and use them in a client class.

Solution and notes



2008 AP Computer Science AB

AB-1

In this question you have to deal with java.util.HashMap<String, HashSet<String>>.

Solution and notes

AB-2

In this question you have to write methods for a linked list made of ListNode nodes and compare the running time big-Oh for two different implementations.

Solution and notes

AB-3

In this question you need to show your understanding of the Grid interface from the GridWorld case study, and work with java.util.Set<Object>.

Solution and notes

AB-4

This question asks you to write a class that implements a given interface, and use this class and other similar classes in a client class.

Solution and notes

Copyright © 2008 by Skylight Publishing
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