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2017

Free-Response Questions: Annotated Solutions

The 2017 free-response questions are posted on the College Board's web site.

The x2017all.zip file contains complete Java classes for runnable projects with small test programs.

2017 AP* Computer Science A

A-1

In this question you have to write a constructor and a method of a class that stores digits of a number in an ArrayList.

Solution and notes

A-2

In this question you have to write a small class that implements a given interface.

Solution and notes

A-3

In this question you need to find and replace the n-th occurrence of str in a given string.

Solution and notes

A-4

In this question you have to work with a two-dimensional array of integers.

Solution and notes

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