O  About this book

 O  Ordering Info

 O  Order now

 O  Java Methods AP Edition

 O  Java Methods Test Package

 O  250 MC Questions in Java

 O  Links

 O  Workshops

 O  Solutions: other years

 O  Be Prepared home page

 O  Skylight's home page

 

 

2018

Free-Response Questions: Annotated Solutions

The free-response questions and grading guidelines for this exam are posted on apstudent.collegeboard.org and, for teachers, on AP Central:

The x2018all.zip file contains complete Java classes for runnable projects with small test programs.

2018 AP* Computer Science A

A-1

In this question you simulate a frog attempting to reach the goal while not exceeding the given maximum number of "hops." Tests the use of "ifs," loops, and method calls.

Solution and notes

A-2

In this question you write a constructor and a method for a class that represents a list of pairs of words.

Solution and notes

A-3

In this question you write a class with two constructors and a method that checks whether the length of a string falls within given limits and the string does not contain a specified substring.

Solution and notes

A-4

In this question you have to test whether a two-dimensional array of integers represents a "Latin Square."

Solution and notes

Copyright © 2018 by Skylight Publishing
support@skylit.com

* AP and the Advanced Placement Program are registered trademarks of the College Entrance Examination Board,
which was not involved in the production of this web site.