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Free-Response Questions: Annotated Solutions

The 2015 free-response questions are posted on the College Board's web site.

The x2015all.zip file contains complete Java classes for runnable projects with small test programs.

2015 AP* Computer Science A


In this question you have to work with a one-dimensional and two-dimensional array, using the fact that a 2D array is an array of 1D arrays.

Solution and notes


In this question you have to use String methods.

Solution and notes


In this question you need to modify and remove elements in a list.

Solution and notes


In this question you have to write an interface and a class that implements it.

Solution and notes

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