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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


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


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

Solution and notes


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

Solution and notes


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

Solution and notes

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