AP Computer Science A FRQ Room

Animal Class Design

Implement the Animal class as described above.

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

Apartment Class Design

Implement the Apartment class as described above.

Appliance Efficiency Analyzer

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

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

ArrayUtilities Class

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

Art Collection Organizer

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

Art Exhibit

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

Autonomous Vacuum Cleaner

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

Bank Account

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

Bank Account Fee Calculator

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

Bank Transaction Processor

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

Bank Transaction Summarizer

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

Battleship Navigation

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Bike Sharing System

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

Blueprint Analyzer

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

Book Catalog Manager

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

Book Collection Manager

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

Book Collection Organizer

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

Building Evacuation Plan

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

Bus Route Scheduler

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

Calendar Event Conflict Resolver

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

Campus Map Building Finder

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

Campus Map Path Finder

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

Campus Navigation Helper

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

Chat Message Thread Organizer

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

Chess Board Analyzer

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

ChessKnight Moves

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

CipherUtility Utility Class

Implement the CipherUtility class as described below.

City Metro Routing

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

City Traffic Congestion

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Concert Ticket

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

Conference Attendee Finder

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

Container Shipping Scheduler

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

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

Course Enrollment Sorter

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

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

Data Compression Implementation

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

Data Encryption Simulator

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

DataEncryption Utility Class

Implement the DataEncryption class as described below.

DataFormatter Utility Class

Implement the DataFormatter class as described below.

Digital Image Edge Detector

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

Digital Library Borrowing Data

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

Digital Mosaic Generator

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

Digital Photo Editor

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

Digital Poster Editor

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

DigitalArt: Invert Colors

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

Drone Delivery Navigation

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

Dynamic Array Manipulation

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

Dynamic Temperature Monitor

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

E-commerce Order Management

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

E-commerce Order Tracker

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

E-commerce Review Sorter

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

E-commerce Transaction Validator

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

E-Mail Filter

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

ECommerceOrderTracker

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

Educational Institution Application

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

Election Ballot Organizer

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

Election Results Processor

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

Elevator Simulation

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

Email Management System

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

Employee Class Design

Implement the Employee class as described above.

Employee Payroll

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

Employee Record Finder

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

Employee Salary System

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

Employee Schedules Organizer

Implement the sortShifts and searchShift methods in the EmployeeSchedule class.

EncryptionHelper Class

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

Energy Consumption Tracker

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

Environmental Pollution Monitor

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

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Event Scheduling System

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

Event Seating Analyzer

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

Event Timer and Alarm

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

EventTicketing

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

Exam Grader Automation

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

ExpressionEvaluator Class

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

Farm Field Irrigation

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

FilmFrame: Time Lapse Overlap

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

Financial Stock Analyzer

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

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Flight Class Design

Implement the Flight class as described above.

Flight Status Tracker

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

Fuel Consumption Tracker

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

Game of Life Pattern Detector

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

Game Score Tracker

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

Garden Layout Planner

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

Garden Plant Height Analysis

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

Gardening Tool Hierarchy

Design a class hierarchy for gardening tools.

GeometryHelper Utility Class

Implement the GeometryHelper class as described below.

GeometryUtil Class

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

GPS Navigation Assistant

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

Gym Membership Tracker

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

HeatMap: Smoothing and Normalization

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

Hospital Floor Navigator

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

Hospital Patient Management

Implement the sortPatientsByName and searchPatientByName methods in the PatientManager class.

Hospital Patient Wait Times

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

House Listing

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

Ice Cream Flavor Finder

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

Image Filter Application

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

Image Flipper

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

Image Rotator

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

Image Smoothing Filter

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

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

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

Inventory Management System

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

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Management System

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

Inventory Manager

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

Inventory Manager

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

Lawn Mower Simulator

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

Leaderboard Manager

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

Library Book Finder

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

Library Book Management

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

Library Book Search

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

Library Catalog

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

Library Loan Duration Analyzer

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

Library Locator

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

Library Management System

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

Library Shelf Arrangement

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

LibrarySystem

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

LogFormatter Class

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

Logistics Delivery Routing

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

MathUtilities Utility Class

Implement the MathUtilities class as described below.

Matrix Sum Calculator

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

Maze Navigator

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

Maze Navigator

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

MedicalImage: Contrast Enhancement

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

Meteorological Observation Grid

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

Meteorological Storm Cell Detector

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

Mining Sensor Data Processor

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

Mobile App Notification System

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

Mobile Phone

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

MosaicMaker: Pixelation Effect

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

Movie Class Design

Implement the Movie class as described above.

Movie Database Search

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

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

Movie Theater Seat Reservation

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

Museum Security Patrol

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

Music Playlist Manager

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

MusicPlaylist

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

OceanSimulator: Wave Distortion

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

Office Layout Navigation

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

Online Course Feedback Analyzer

Implement the sortFeedbackScores and searchFeedbackScore methods in the FeedbackAnalyzer class.

Online Quiz System

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

Online Review Analyzer

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

Online Store Feedback Analyzer

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

PacMan Maze Simulation

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

Parking Lot Manager

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

Parking Lot Occupancy Detector

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

PasswordGenerator Class

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

PasswordGenerator Utility Class

Implement the PasswordGenerator class as described below.

PixelArt: Color Quantization

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

Planet Surface Rover Simulator

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

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

PolynomialUtils Class

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

Product Inventory System

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

Product Price Sorter

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

Product Pricing Sorter

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

Production Quality Control

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

Public Transit Scheduler

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

Public Transportation Scheduler

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

Recipe Ingredient Calculator

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

Reservation System

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

Restaurant Menu Sorter

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

Restaurant Order Processing

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

Restaurant Order Scheduler

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

Retail Inventory Empty Shelf Detector

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

Retail Inventory Manager

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

Retail Product Pricing

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

Retail Sales Analyzer

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

Robot Vacuum Floor Scanner

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

Room Temperature Monitor

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

Satellite Image Analyzer

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

Sea Temperature Analyzer

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

Sensor Data Filter

Filter sensor readings by removing values below a specified threshold.

Sensor Data Noise Filter

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

Sensor Data Processor

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

Sewer System Map Mapper

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

Shape Area Calculator

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

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Smart Home Energy Monitor

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

Smart Home Sensor Data Manager

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

Smartphone Class Design

Implement the Smartphone class as described above.

Soccer League Ranking

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

Social Distancing Layout Checker

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

Social Media Analytics

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

Social Media Engagement Tracker

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

Social Media Feed Analyzer

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

Social Media Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

Social Media Friend Search

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

Social Media Post

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

Social Media Post Analyzer

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

Social Media Post Scheduler

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

Social Media Post Scheduler

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

Social Media Post Sorter

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

Social Network Analyzer

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

SocialNetwork

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

Sports Statistics Tracker

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

Sports Team Player Evaluation

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

Sports Team Stats

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

Sports Tournament Scheduler

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

Sports Tournament Scoreboard

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

SportsTeam Class Design

Implement the SportsTeam class as described above.

Spreadsheet Data Analyzer

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

StatisticsHelper Class

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

Stock Market Analyzer

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

Stock Market Trend Analyzer

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

Student Class Design

Implement the Student class as described above.

Student Grade Analyzer

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

Student Grades Analyzer

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

Student Record

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

Submarine Sonar Anomaly Detector

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

Survey Data Processor

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

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

Terrain Elevation Map

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

TextStatistics Class

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

TimeConversion Class

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

TimeConverter Utility Class

Implement the TimeConverter class as described below.

Traffic Congestion Zone Detector

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

Traffic Data Processor

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

Traffic Grid Simulator

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

Traffic Light Simulator

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

Traffic Signal Controller

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

Traffic Simulator

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

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

TrafficMap: Route Highlighter

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

TrafficMonitor

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Travel Itinerary Planner

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

Travel Time Estimator

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

Underwater Drone Explorer

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

UnitConverter Utility Class

Implement the UnitConverter class as described below.

Urban Building Cluster Analyzer

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

Vehicle Hierarchy

Design a class hierarchy for vehicles.

VehicleTracker

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

Virtual Garden Layout Analyzer

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

Virtual Zoo Habitat Enclosure

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

Warehouse Path Planning

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

Weather Data Analysis

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Weather Data Analyzer

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

Weather Data Processing

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

WeatherData Analyzer

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