AP Computer Science A FRQ Room

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AP Computer Science A Free Response Questions

The best way to get better at FRQs is practice. Browse through dozens of practice AP Computer Science A FRQs to get ready for the big day.

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Animal Class Design

Implement the Animal class as described above.

Medium

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

Easy

Apartment Class Design

Implement the Apartment class as described above.

Easy

Appliance Efficiency Analyzer

Design an appliance efficiency analyzer using inheritance. Create an abstract Appliance class with a

Medium

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

Hard

ArrayUtilities Class

This question involves designing an ArrayUtilities utility class for performing operations on intege

Easy

Art Collection Organizer

This question involves organizing an art collection by the year each piece was created. You will imp

Medium

Art Exhibit

This question asks you to design an ArtExhibit class to represent an art exhibition show.

Extreme

Autonomous Vacuum Cleaner

This question involves simulating an autonomous vacuum cleaner navigating a room represented as a 2D

Medium

Bank Account

This question requires you to design a BankAccount class that models a simple bank account.

Hard

Bank Account Fee Calculator

Develop a bank account fee calculator using inheritance. Create an abstract BankAccount class with a

Hard

Bank Transaction Processor

This question simulates processing transactions within a bank. The TransactionProcessor class manage

Hard

Bank Transaction Summarizer

Design a Bank Transaction Summarizer to sum deposits and filter withdrawals.

Medium

Battleship Navigation

This problem involves simulating the navigation of a battleship through an ocean grid with obstacles

Hard

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Easy

Bike Sharing System

This question simulates a bike-sharing system. The BikeShare class maintains a HashMap to track the

Medium

Blueprint Analyzer

Develop methods in the BlueprintAnalyzer class to rotate a blueprint 90 degrees and to check if it i

Extreme

Book Catalog Manager

Design a Book Catalog Manager to search for books by author and compute the average publication year

Easy

Book Collection Manager

This question involves designing a BookCollection class for managing a collection of books, includin

Medium

Book Collection Organizer

This question involves managing a book collection using an ArrayList. You will implement methods to

Medium

Building Evacuation Plan

This question involves developing an evacuation plan for a building modeled as a 2D grid. You will i

Hard

Bus Route Scheduler

This question simulates managing a bus route schedule. You will implement methods to search for a bu

Medium

Calendar Event Conflict Resolver

This question involves developing methods for a CalendarScheduler class that manages event schedulin

Medium

Campus Map Building Finder

The CampusMap class represents a campus using a 2D char array where each character represents a buil

Medium

Campus Map Path Finder

This question involves analyzing a campus map represented as a 2D array. Implement methods in the Ca

Hard

Campus Navigation Helper

This question involves finding the shortest route on a campus map represented as a 2D grid. You will

Medium

Chat Message Thread Organizer

This question involves processing chat messages recorded in a forum thread. You will implement metho

Medium

Chess Board Analyzer

This EXTREME question involves analyzing a chess board represented as a 2D array. Implement methods

Extreme

ChessKnight Moves

This question involves calculating all possible moves for a knight on a chessboard from a given posi

Medium

CipherUtility Utility Class

Implement the CipherUtility class as described below.

Medium

City Metro Routing

This question involves developing methods for a MetroRouter class that assists in finding optimal tr

Hard

City Traffic Congestion

Develop a City Traffic Congestion analyzer to filter intersections with high delays and compute the

Hard

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

Easy

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Hard

Concert Ticket

This question asks you to design a ConcertTicket class to represent tickets for a concert event.

Hard

Conference Attendee Finder

Design search methods to locate conference attendees by their badge numbers using linear and binary

Medium

Container Shipping Scheduler

This question simulates scheduling container shipments in a logistics system. The ShippingScheduler

Extreme

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

Medium

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

Medium

Course Enrollment Sorter

Develop methods to sort courses by enrollment numbers using selection sort and merge sort.

Medium

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Hard

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

Medium

Data Compression Implementation

This question involves implementing simple data compression and decompression methods using run-leng

Hard

Data Encryption Simulator

This question simulates a simple data encryption system using a Caesar cipher. You will implement me

Medium

DataEncryption Utility Class

Implement the DataEncryption class as described below.

Hard

DataFormatter Utility Class

Implement the DataFormatter class as described below.

Medium

Digital Image Edge Detector

Implement a method to detect an edge in a digital image represented as a 2D array of pixel brightnes

Hard

Digital Library Borrowing Data

This FRQ involves analyzing borrowing data from a digital library. You will implement methods to sor

Medium

Digital Mosaic Generator

Develop methods in the DigitalMosaicGenerator class to create a mosaic effect by computing block ave

Extreme

Digital Photo Editor

Implement a brightness adjustment method in the DigitalPhotoEditor class to uniformly increase the b

Medium

Digital Poster Editor

Enhance the digital poster editing experience by implementing brightness adjustment and horizontal m

Medium

DigitalArt: Invert Colors

This question involves designing the DigitalArt class to invert the colors of a grayscale image. Imp

Easy

Drone Delivery Navigation

This question simulates route planning for drone delivery. You will implement methods to compute the

Extreme

Dynamic Array Manipulation

This question involves writing a method to remove duplicates from an array of integers while preserv

Easy

Dynamic Temperature Monitor

This question involves developing methods for a TemperatureMonitor class to manage and analyze tempe

Medium

E-commerce Order Management

Develop an e-commerce order management system using inheritance. Create an abstract Order class with

Hard

E-commerce Order Tracker

Manage e-commerce orders by identifying high-value orders and applying discounts to applicable order

Hard

E-commerce Review Sorter

Implement methods to sort product reviews by rating and search for a review with a specific rating.

Medium

E-commerce Transaction Validator

This question revolves around the validation of e-commerce transactions using credit card verificati

Hard

E-Mail Filter

Filter an ArrayList of email messages to remove those containing the keyword 'spam'.

Medium

ECommerceOrderTracker

Design an ECommerceOrderTracker class that manages orders and tracks their statuses.

Medium

Educational Institution Application

Design an educational institution application system using inheritance. Create an abstract Instituti

Medium

Election Ballot Organizer

This question involves organizing election ballots by sorting them with two different algorithms. Yo

Extreme

Election Results Processor

This question involves implementing an ElectionResults class to tally votes and determine the winnin

Hard

Elevator Simulation

This question simulates an elevator system. The ElevatorSystem class tracks the current floor of an

Hard

Email Management System

This question involves sorting emails by date and searching for an email by its subject. You will im

Medium

Employee Class Design

Implement the Employee class as described above.

Medium

Employee Payroll

This question asks you to design an Employee class to manage payroll information.

Hard

Employee Record Finder

Sort employee records by salary and implement a binary search method to locate an employee by salary

Hard

Employee Salary System

Design an employee salary system using inheritance. Create an abstract Employee class with an abstra

Hard

Employee Schedules Organizer

Implement the sortShifts and searchShift methods in the EmployeeSchedule class.

Easy

EncryptionHelper Class

This question involves designing an EncryptionHelper utility class that performs simple Caesar ciphe

Medium

Energy Consumption Tracker

Design an Energy Consumption Tracker to filter erroneous readings and compute peak consumption.

Extreme

Environmental Pollution Monitor

This question involves developing a PollutionMonitor class that analyzes environmental pollution dat

Extreme

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Medium

Event Scheduling System

This question involves creating an EventScheduler class that manages event times stored in a sorted

Medium

Event Seating Analyzer

Implement a method to count horizontal contiguous sequences of empty seats in an event seating chart

Easy

Event Timer and Alarm

This question involves managing alarm times in a sorted ArrayList. You will implement a method to in

Easy

EventTicketing

Design an EventTicketing class that manages events and tracks ticket sales.

Hard

Exam Grader Automation

This question involves designing an ExamGrader class to automatically grade multiple choice exams ba

Easy

ExpressionEvaluator Class

This question involves designing an ExpressionEvaluator utility class to evaluate arithmetic express

Hard

Farm Field Irrigation

This question involves managing a farm field's moisture levels represented as a 2D array. Implement

Hard

FilmFrame: Time Lapse Overlap

This question involves designing the FilmFrame class to combine two film frames represented by 2D ar

Easy

Financial Stock Analyzer

This question simulates analysis of stock price data. The StockAnalyzer class processes an array of

Hard

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Hard

Flight Class Design

Implement the Flight class as described above.

Hard

Flight Status Tracker

This question involves designing a FlightStatusTracker class to monitor and report the status of var

Medium

Fuel Consumption Tracker

Analyze fuel consumption readings by removing outlier values and computing the average consumption.

Hard

Game of Life Pattern Detector

This question requires scanning a 2D array representing a Game of Life board to count the live neigh

Easy

Game Score Tracker

This question involves implementing a ScoreTracker class to update game scores and retrieve the high

Easy

Garden Layout Planner

This question involves planning a garden layout represented as a 2D grid and evaluating sprinkler co

Easy

Garden Plant Height Analysis

The GardenAnalyzer class manages a 2D array representing the heights of plants in a garden. Implemen

Medium

Gardening Tool Hierarchy

Design a class hierarchy for gardening tools.

Medium

GeometryHelper Utility Class

Implement the GeometryHelper class as described below.

Medium

GeometryUtil Class

This question involves designing a GeometryUtil utility class that calculates areas of common geomet

Easy

GPS Navigation Assistant

This question simulates a GPS navigation assistant. The NavigationSystem class computes distances be

Hard

Gym Membership Tracker

This question involves implementing a MembershipTracker class to update member statuses and generate

Medium

HeatMap: Smoothing and Normalization

This question involves designing the HeatMap class to process a 2D array of temperature readings. Im

Hard

Hospital Floor Navigator

This question involves navigating the complex layout of a hospital floor represented as a 2D grid. Y

Hard

Hospital Patient Management

Implement the sortPatientsByName and searchPatientByName methods in the PatientManager class.

Medium

Hospital Patient Wait Times

Develop a Hospital Patient Wait Times analyzer to filter critical waits and compute the average wait

Medium

House Listing

This question asks you to design a House class to model real estate listings.

Medium

Ice Cream Flavor Finder

This question involves analyzing an ice cream parlor’s flavor distribution grid. Implement methods t

Medium

Image Filter Application

In this question, you will work with a grayscale image represented as a 2D array of pixel values. Im

Medium

Image Flipper

Develop methods in the ImageEditor class to flip an image horizontally and vertically.

Medium

Image Rotator

Develop methods in the ImageEditor class to rotate an image by 90 degrees and 180 degrees.

Hard

Image Smoothing Filter

Enhance the ImageEditor class by developing a smoothing filter that reduces noise in an image throug

Hard

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

This multi-part question involves designing an ImageTransformer class that performs multiple transfo

Hard

Inventory Management System

This question involves developing methods for an InventoryManager class to manage a retail store's i

Hard

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Easy

Inventory Management System

This question involves creating an inventory management system that uses ArrayLists to maintain a dy

Hard

Inventory Manager

This question involves designing an InventoryManager class for managing stock levels in a retail set

Medium

Inventory Manager

This question simulates inventory management in a warehouse. The Inventory class tracks items and th

Medium

Lawn Mower Simulator

This problem simulates a lawn mower navigating a garden grid that includes obstacles such as flower

Easy

Leaderboard Manager

Design a Leaderboard class that dynamically manages player scores and rankings.

Medium

Library Book Finder

This question simulates a library system that retrieves books by their ISBN. You will complete the f

Easy

Library Book Management

This FRQ focuses on managing a collection of library books. You will implement methods to sort books

Medium

Library Book Search

This question focuses on designing a Library class that stores Book objects. You will implement a me

Easy

Library Catalog

This question involves designing a LibraryCatalog class to manage a collection of books in a library

Easy

Library Loan Duration Analyzer

Create a Library Loan Duration Analyzer to remove overdue loans and compute the average loan duratio

Hard

Library Locator

Implement a method to locate the nearest library in a 2D city map grid.

Medium

Library Management System

This question simulates a library catalog management system. The LibraryCatalog class uses parallel

Medium

Library Shelf Arrangement

The LibraryShelves class manages book placements on shelves using a 2D String array, where non-empty

Medium

LibrarySystem

Design a LibrarySystem class that manages book inventory and tracks book lending.

Extreme

LogFormatter Class

This question involves designing a LogFormatter utility class for formatting and extracting informat

Medium

Logistics Delivery Routing

This question involves optimizing logistics delivery routes. You will implement methods to sort deli

Hard

MathUtilities Utility Class

Implement the MathUtilities class as described below.

Medium

Matrix Sum Calculator

This question involves writing methods to compute the sums of each row and column in a given matrix.

Easy

Maze Navigator

Implement a method to determine if a path exists through a maze represented as a 2D grid of open ('0

Hard

Maze Navigator

The MazeNavigator class manages a maze represented as a 2D char array, where '#' represents a wall a

Extreme

MedicalImage: Contrast Enhancement

This question involves designing the MedicalImage class to perform contrast enhancement on a graysca

Hard

Meteorological Observation Grid

This question involves processing a 2D grid of temperature observations. You will implement a method

Medium

Meteorological Storm Cell Detector

This question requires scanning a 2D array of radar data to identify storm cells based on intensity

Extreme

Mining Sensor Data Processor

This question involves designing a SensorData class that processes quantitative readings from mining

Hard

Mobile App Notification System

Design a mobile app notification system using inheritance. Create an abstract Notification class wit

Easy

Mobile Phone

This question asks you to design a MobilePhone class to model a smartphone.

Hard

MosaicMaker: Pixelation Effect

This question involves designing the MosaicMaker class to create a pixelated version of an image. Im

Medium

Movie Class Design

Implement the Movie class as described above.

Easy

Movie Database Search

This question involves searching for movies by rating in a movie database. You will implement the se

Hard

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

Easy

Movie Theater Seat Reservation

This question examines seating arrangements in a movie theater using a 2D array. Implement methods i

Easy

Museum Security Patrol

This problem simulates a museum guard’s patrol through a grid representing a museum layout.

Medium

Music Playlist Manager

This question involves designing a MusicPlaylistManager class to organize and manage a playlist of s

Easy

MusicPlaylist

Design a MusicPlaylist class that manages a playlist of songs with basic playback controls.

Easy

OceanSimulator: Wave Distortion

This question involves designing the OceanSimulator class to simulate wave distortions on a water su

Medium

Office Layout Navigation

This problem simulates an employee navigating through an office layout grid to find the exit.

Easy

Online Course Feedback Analyzer

Implement the sortFeedbackScores and searchFeedbackScore methods in the FeedbackAnalyzer class.

Hard

Online Quiz System

This question involves implementing a QuizManager class to manage quiz questions, add new questions,

Hard

Online Review Analyzer

Design an Online Review Analyzer to filter positive reviews and compute the average rating.

Easy

Online Store Feedback Analyzer

Develop an Online Store Feedback Analyzer to filter valid feedback and compute the median rating.

Easy

PacMan Maze Simulation

This question involves simulating a PacMan maze where both PacMan and ghosts move through a 2D grid.

Extreme

Parking Lot Manager

This question simulates a parking lot management system. The ParkingLot class manages a grid of park

Medium

Parking Lot Occupancy Detector

This question requires scanning a 2D array representing a parking lot to count empty parking spaces.

Easy

PasswordGenerator Class

This question involves designing a PasswordGenerator utility class that generates random passwords m

Hard

PasswordGenerator Utility Class

Implement the PasswordGenerator class as described below.

Extreme

PixelArt: Color Quantization

This question involves designing the PixelArt class to perform color quantization on an image. Imple

Hard

Planet Surface Rover Simulator

This question involves simulating a rover navigating the surface of a planet represented as a 2D gri

Extreme

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

Extreme

PolynomialUtils Class

This question involves designing a PolynomialUtils utility class to evaluate polynomials using stati

Easy

Product Inventory System

This FRQ simulates a product inventory system. You will implement methods to sort an ArrayList of pr

Medium

Product Price Sorter

Design and implement two sorting methods to order a list of products by price.

Hard

Product Pricing Sorter

This question involves sorting product objects by price using two distinct sorting algorithms: selec

Medium

Production Quality Control

Assess production quality by counting defective items and identifying their indices.

Hard

Public Transit Scheduler

This question involves creating a TransitScheduler class to determine bus arrival times and update b

Medium

Public Transportation Scheduler

This question requires you to write methods to compute bus wait times for public transportation. You

Medium

Recipe Ingredient Calculator

This question simulates scaling recipe ingredients for different serving sizes. The RecipeCalculator

Easy

Reservation System

This question involves designing a ReservationSystem class to manage seat reservations for a venue.

Medium

Restaurant Menu Sorter

This question involves sorting a restaurant menu by price. You will implement the sortMenuByPrice me

Easy

Restaurant Order Processing

This FRQ entails managing restaurant orders represented as monetary amounts. You will implement meth

Medium

Restaurant Order Scheduler

Implement methods to sort restaurant orders by order time and search for an order by its ID.

Hard

Retail Inventory Empty Shelf Detector

Implement a method to check which rows in a retail inventory grid are completely empty.

Easy

Retail Inventory Manager

Implement methods to manage retail inventory by sorting items by stock quantity and searching for an

Easy

Retail Product Pricing

Design a retail product pricing system using inheritance. Create an abstract Product class with an a

Hard

Retail Sales Analyzer

Develop a Retail Sales Analyzer to filter low sales and compute sales statistics.

Easy

Robot Vacuum Floor Scanner

This question requires scanning a 2D array representing a home floor plan to simulate a robot vacuum

Medium

Room Temperature Monitor

This question involves analyzing room temperature data stored in a 2D array. Implement methods in th

Easy

Satellite Image Analyzer

Enhance the analysis of satellite imagery by implementing methods to flip an image horizontally and

Medium

Sea Temperature Analyzer

This question requires scanning a 2D float array representing sea surface temperatures to locate a h

Medium

Sensor Data Filter

Filter sensor readings by removing values below a specified threshold.

Medium

Sensor Data Noise Filter

This question involves developing methods for a SensorFilter class to remove noise from sensor data.

Medium

Sensor Data Processor

This question involves designing a SensorDataProcessor class to handle and analyze data from multipl

Extreme

Sewer System Map Mapper

This question involves mapping an underground sewer system represented as a 2D grid. You will implem

Extreme

Shape Area Calculator

Develop a shape hierarchy using inheritance. Create an abstract Shape class with an abstract method

Medium

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Hard

Smart Home Energy Monitor

This question involves designing an EnergyMonitor class that processes smart home energy usage data

Medium

Smart Home Sensor Data Manager

This question involves managing sensor data in a smart home system. You will implement methods to so

Hard

Smartphone Class Design

Implement the Smartphone class as described above.

Hard

Soccer League Ranking

This question involves managing a soccer league. You will implement methods for the SoccerLeague cla

Hard

Social Distancing Layout Checker

Implement a method to count pairs of people seated too close in a 2D seating grid.

Easy

Social Media Analytics

This FRQ centers on social media post analytics. You will implement methods to sort post 'like' coun

Medium

Social Media Engagement Tracker

Develop a Social Media Engagement Tracker to filter trending posts and compute the median number of

Hard

Social Media Feed Analyzer

This question involves developing a SocialMediaFeedAnalyzer class that processes an array of like co

Hard

Social Media Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

Medium

Social Media Friend Search

Design search methods to find user profiles by username using linear and binary search.

Easy

Social Media Post

This question asks you to design a SocialMediaPost class to represent posts on a social media platfo

Extreme

Social Media Post Analyzer

Determine the index of the most liked social media post from an array of like counts.

Easy

Social Media Post Scheduler

This question involves scheduling social media posts. You will implement methods for scheduling indi

Medium

Social Media Post Scheduler

This question involves designing a PostScheduler class to manage the scheduling of social media post

Medium

Social Media Post Sorter

This question involves managing social media posts by sorting them based on the number of likes. You

Hard

Social Network Analyzer

This question involves designing a SocialNetworkAnalyzer class to analyze friendship networks and su

Extreme

SocialNetwork

Design a SocialNetwork class that manages user registrations and friend relationships.

Extreme

Sports Statistics Tracker

This FRQ involves tracking sports statistics for a player. You will implement methods to sort game p

Easy

Sports Team Player Evaluation

Develop a sports team player evaluation system using inheritance. Create an abstract Player class wi

Hard

Sports Team Stats

Update player statistics by adjusting scores and identifying the highest scorer.

Extreme

Sports Tournament Scheduler

Design a Sports Tournament Scheduler to update team points and determine the top team.

Extreme

Sports Tournament Scoreboard

The Scoreboard class tracks game scores in a sports tournament using a 2D array, where each row repr

Medium

SportsTeam Class Design

Implement the SportsTeam class as described above.

Hard

Spreadsheet Data Analyzer

This question analyzes a 2D array representing spreadsheet data. The SpreadsheetAnalyzer class store

Medium

StatisticsHelper Class

This question involves designing a StatisticsHelper utility class to compute basic statistical metri

Hard

Stock Market Analyzer

This question involves designing a MarketAnalyzer class that processes daily stock prices and uses s

Extreme

Stock Market Trend Analyzer

This question involves analyzing stock price data using advanced array manipulation techniques. You

Extreme

Student Class Design

Implement the Student class as described above.

Medium

Student Grade Analyzer

This question involves designing a StudentGradeAnalyzer class to process student scores. You will im

Medium

Student Grades Analyzer

Analyze student grades using an ArrayList by computing the average and filtering failing grades.

Medium

Student Record

This question asks you to design a Student class to record student information.

Easy

Submarine Sonar Anomaly Detector

Implement a method to detect a linear anomaly pattern in submarine sonar data represented as a 2D gr

Extreme

Survey Data Processor

Analyze survey responses by computing frequency distribution and determining the most common respons

Extreme

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

Easy

Terrain Elevation Map

This question involves analyzing a terrain elevation map stored as a 2D array. Implement methods in

Hard

TextStatistics Class

This question involves designing a TextStatistics utility class that analyzes text data using static

Medium

TimeConversion Class

This question involves designing a TimeConversion utility class that converts between seconds and HH

Medium

TimeConverter Utility Class

Implement the TimeConverter class as described below.

Easy

Traffic Congestion Zone Detector

This question requires scanning a 2D array representing traffic densities to count contiguous zones

Easy

Traffic Data Processor

Process hourly vehicle counts by identifying the peak hour and calculating the average count.

Hard

Traffic Grid Simulator

This problem involves developing a simulation for vehicle movement within a city traffic grid.

Extreme

Traffic Light Simulator

Adjust traffic light timings by adding bonus seconds to those below a given threshold.

Medium

Traffic Signal Controller

This question simulates a traffic signal controller. The TrafficSignal class cycles through signal s

Easy

Traffic Simulator

This question involves designing a TrafficSimulator class to model and simulate traffic flow on a gr

Extreme

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

Hard

TrafficMap: Route Highlighter

This question involves designing the TrafficMap class to highlight a route on a city grid represente

Medium

TrafficMonitor

Design a TrafficMonitor class that tracks vehicle counts on various roads and identifies peak traffi

Hard

TrainTicket Class Design

Implement the TrainTicket class as described above.

Medium

Travel Itinerary Planner

This question involves developing methods for an ItineraryPlanner class that organizes travel destin

Medium

Travel Time Estimator

Develop a Travel Time Estimator to filter outlier travel times and compute the median travel time.

Hard

Underwater Drone Explorer

This question involves simulating an underwater drone exploring a 2D grid representing the ocean flo

Extreme

UnitConverter Utility Class

Implement the UnitConverter class as described below.

Easy

Urban Building Cluster Analyzer

This question requires scanning a 2D array representing a city map to count clusters of a specified

Medium

Vehicle Hierarchy

Design a class hierarchy for vehicles.

Medium

VehicleTracker

Design a VehicleTracker class that maintains and updates vehicle locations for logistics.

Medium

Virtual Garden Layout Analyzer

Implement a method to count the number of contiguous plant regions in a garden layout grid.

Medium

Virtual Zoo Habitat Enclosure

This question involves analyzing animal species within a virtual zoo's habitat, represented as a 2D

Medium

Warehouse Path Planning

This problem involves planning and verifying a route for a warehouse robot navigating through a grid

Extreme

Weather Data Analysis

This question involves analyzing weather temperature data using sliding window techniques. You will

Hard

Weather Data Analyzer

This question involves analyzing weather data represented as a 2D array of temperature readings. You

Medium

Weather Data Analyzer

This question simulates analyzing daily weather data. The WeatherAnalyzer class processes an array o

Medium

Weather Data Analyzer

Analyze temperature readings by filtering out extreme values and computing the average of the valid

Easy

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Hard

Weather Data Analyzer

This question involves analyzing weather temperature data. You are to implement methods to compute t

Hard

Weather Data Processing

This question involves implementing a WeatherAnalyzer class to process daily temperature readings an

Easy

WeatherData Analyzer

This question involves designing a WeatherDataAnalyzer class to manage daily weather measurements an

Easy

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FAQWe thought you might have some questions...
Where can I find practice free response questions for the AP Computer Science A exam?
The free response section of each AP exam varies slightly, so you’ll definitely want to practice that before stepping into that exam room. Here are some free places to find practice FRQs :
  • Of course, make sure to run through College Board's past FRQ questions!
  • Once you’re done with those go through all the questions in the AP Computer Science AFree Response Room. You can answer the question and have it grade you against the rubric so you know exactly where to improve.
  • Reddit it also a great place to find AP free response questions that other students may have access to.
How do I practice for AP AP Computer Science A Exam FRQs?
Once you’re done reviewing your study guides, find and bookmark all the free response questions you can find. The question above has some good places to look! while you’re going through them, simulate exam conditions by setting a timer that matches the time allowed on the actual exam. Time management is going to help you answer the FRQs on the real exam concisely when you’re in that time crunch.
What are some tips for AP Computer Science A free response questions?
Before you start writing out your response, take a few minutes to outline the key points you want to make sure to touch on. This may seem like a waste of time, but it’s very helpful in making sure your response effectively addresses all the parts of the question. Once you do your practice free response questions, compare them to scoring guidelines and sample responses to identify areas for improvement. When you do the free response practice on the AP Computer Science A Free Response Room, there’s an option to let it grade your response against the rubric and tell you exactly what you need to study more.
How do I answer AP Computer Science A free-response questions?
Answering AP Computer Science A free response questions the right way is all about practice! As you go through the AP AP Computer Science A Free Response Room, treat it like a real exam and approach it this way so you stay calm during the actual exam. When you first see the question, take some time to process exactly what it’s asking. Make sure to also read through all the sub-parts in the question and re-read the main prompt, making sure to circle and underline any key information. This will help you allocate your time properly and also make sure you are hitting all the parts of the question. Before you answer each question, note down the key points you want to hit and evidence you want to use (where applicable). Once you have the skeleton of your response, writing it out will be quick, plus you won’t make any silly mistake in a rush and forget something important.