AP Computer Science A FRQ Room

Academic Course Management

Develop an academic course management system using inheritance. Create an abstract Course class with

Agricultural Land Analysis

Implement a method to identify the 2x2 submatrix with the highest total crop yield in an agricultura

Airline Ticket Price Calculator

This question involves calculating airline ticket prices. You will implement methods to compute the

Animal Class Design

Implement the Animal class as described above.

Animal Sounds Hierarchy

Design an animal sounds system using inheritance and polymorphism. Create an abstract Animal class w

Ant Colony Simulation

This problem simulates the movement and pheromone updating of an ant colony on a terrain grid.

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

Autonomous Vacuum Cleaner

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

Bank Account Manager

This question requires you to compute interest on a set of bank accounts. You will implement methods

Bank Transaction Analyzer

Implement search methods to analyze bank transactions by amount and transaction ID.

Bank Transaction Explorer

This question involves searching for transactions by transactionID in a bank system. You will implem

Bank Transaction Monitor

This question involves designing a BankTransactionMonitor class to process a series of bank transact

Bank Transaction Summarizer

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

BankAccount Class Design

Implement the BankAccount class as described above.

Battlefield Strategy Grid

This question involves determining line-of-sight on a battlefield grid to decide if a unit can attac

Battlefield Troop Counter

The Battlefield class contains a 2D array of integers representing troop counts in different segment

BattleGrid Analysis

In this question, you will analyze a battleship board represented as a 2D array. Implement methods i

Battleship Board Scanner

This question requires scanning a 2D array representing a Battleship game board to identify ship clu

Bike Sharing System

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

Bookstore Item Discount Hierarchy

Design a class hierarchy for bookstore items with discount calculations.

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

CalendarEvent

Design a CalendarEvent class that manages events scheduled by date and time.

Campus Map Building Finder

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

Campus Navigation Helper

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

Car Class Design

Implement the Car class as described above.

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

Car Rental Service

This question asks you to design a CarRental class to model a car available for rent.

Chat Message Thread Organizer

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

Chess Knight Moves

This problem involves simulating the moves of a knight on a chessboard.

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 Public Library Reservation System

Implement the sortReservationsByUserId and searchReservationByUserId methods in the LibraryReservati

City Traffic Congestion

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

City Traffic Grid Analysis

This question uses a 2D character array representing a city traffic grid, where 'C' indicates a car

Classroom Seating Analyzer

This question requires scanning a 2D array representing classroom seating to determine the size of t

Coffee Shop Order

This question asks you to design a CoffeeOrder class to manage orders at a coffee shop.

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Conference Attendee Finder

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

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Crop Health Analyzer

This question requires scanning a 2D array representing a farm field's crop health indices to evalua

Cryptography Tool

This question simulates a simple cryptography tool that uses a Caesar cipher to encrypt messages. Th

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

Cybersecurity Intrusion Detector

This question involves detecting potential intrusions by validating IP addresses. You will implement

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

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

Drone Delivery System

This problem simulates a drone delivery system that navigates through a city grid with obstacles.

Drone Flight Grid

This question simulates a drone flying over a 2D airspace grid. You will implement methods to naviga

Dynamic Array Manipulation

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

Dynamic Shopping Cart Simulator

This question simulates an online shopping cart scenario in which you must implement methods to dyna

E-Commerce Price Analyzer

This FRQ involves processing product prices for an e-commerce platform. You will implement methods t

Earthquake Intensity Map Analyzer

This question requires scanning a 2D array representing earthquake intensity readings to identify hi

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

Election Vote Tally

This question involves tallying votes from multiple precincts stored in a 2D array. Implement method

Emergency Alerts Hierarchy

Design a class hierarchy for an emergency alert system.

Emergency Response Routing

This problem simulates the planning of an emergency response route on a city grid.

Employee Record Finder

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

Employee Salary Calculation Hierarchy

Design a class hierarchy to compute employee salaries.

Energy Consumption Tracker

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

Environmental Impact Calculator

This question involves implementing an ImpactCalculator class to compute the carbon footprint of var

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Event Registration System

This FRQ focuses on managing event registration data. You will implement methods to sort participant

Event Scheduling System

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

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.

ExpressionEvaluator Class

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

Factory Production Line Monitor

The ProductionMonitor class records machine outputs on a factory floor using a 2D integer array. Imp

Farm Field Irrigation

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

FileProcessor Utility Class

Implement the FileProcessor class as described below.

FileStatistics Class

This question involves designing a FileStatistics utility class for computing statistical informatio

Financial Portfolio Manager

This question involves designing a FinancialPortfolioManager class to track and analyze a portfolio

Financial Transaction Processor

Implement the sortTransactionsById and searchTransactionById methods in the TransactionProcessor cla

Fitness Tracker

This question involves designing a FitnessTracker class to record and analyze workout sessions.

Fitness Tracker Data

Create a Fitness Tracker Data analyzer to compute minimum steps and summary statistics.

Fitness Tracker Data Analysis

This question simulates analyzing daily step count data from a fitness tracker. The FitnessTracker c

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Flight Seating Planner

This question involves planning seating on a flight, using a 2D array to represent seat availability

Flight Status Tracker

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

ForestFire: Spread Simulation

This question involves designing the ForestFire class to simulate the spread of fire in a forest rep

Game Level Map Editor

Implement the rotateLevel method in the LevelEditor class to rotate a game level map 90 degrees.

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

GameBoardMirror: Invert Puzzle Board

This question involves designing the GameBoard class for a sliding puzzle game. Implement the mirror

Gaming Leaderboard Management

This FRQ involves managing a gaming leaderboard. You will implement methods to sort player scores in

Garden Layout Analyzer

This question requires scanning a 2D array representing a garden to analyze plant distribution patte

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

Garden Plot Watering Scheduler

This question involves managing a garden plot represented as a 2D array. Implement methods in the Ga

Geographic Location Lookup

Develop search methods to filter cities based on population thresholds using linear and binary searc

Geometric Shapes Hierarchy

Design a class hierarchy for calculating the area of geometric shapes.

Grayscale Image Edge Finder

This question requires scanning a 2D array representing a grayscale image to detect edge pixels base

Grid Explorer Simulation

This problem simulates an explorer navigating an island grid with treasures, obstacles, and varied t

Heat Map Cluster Detector

Implement methods to analyze a heat map grid. Determine if a cell is hot and compute the largest con

Hospital Patient Queue

Write two search methods to find patients by emergency level in a hospital queue.

Hospital Patient Tracker

Track hospital patients by filtering critical cases and computing the average stay duration.

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

Image Color Inverter

Develop a method in the PhotoEditor class that inverts the color of an image by replacing each pixel

Image Filter Application

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

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

ImageRotator: 90-Degree Clockwise Rotation

This question involves designing an ImageRotator class that rotates a 2D array representing an image

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

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

Inventory Item

This question asks you to design an InventoryItem class to represent an item in a store's inventory.

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Manager

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

Inventory Tracker

This question involves implementing an InventoryTracker class to manage product stocks and trigger r

InventoryFormatter Class

This question involves designing an InventoryFormatter utility class that formats inventory data int

InventoryManager

Design an InventoryManager class that tracks products and their quantities in a store.

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.

Leaderboard System Simulation

This question involves designing a Leaderboard class to dynamically track players' scores and update

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 Management System

Implement the sortBooksByTitle and searchBookByTitle methods in the LibraryManager class.

Library Book Sorter

Implement two methods to sort library books by title using Bubble Sort and Insertion Sort.

Library Floor Navigation

In this question, you will analyze a library floor plan represented as a 2D array. Implement methods

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.

LibraryCard Class Design

Implement the LibraryCard class as described above.

LogFormatter Class

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

MathUtilities Utility Class

Implement the MathUtilities class as described below.

MatrixOperations Class

This question involves designing a MatrixOperations utility class for performing matrix multiplicati

Maze Navigator

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

Maze Solver

This question involves designing a MazeSolver class that finds a path through a maze represented by

Medical Image Processor

Design methods for processing medical images by enhancing contrast and detecting anomalies.

Medical Imaging Tumor Scanner

This question requires scanning a 2D array representing an image to detect tumor regions based on pi

MedicalImage: Contrast Enhancement

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

Messaging System Interface

Design a messaging system using inheritance. Create an abstract Message class with an abstract metho

Meteorological Storm Cell Detector

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

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 Rating Aggregator

This question involves writing a MovieRatingAggregator class that collects and processes movie ratin

Movie Showtime

This question asks you to design a MovieShowtime class to represent movie screening details.

Movie Theater Seat Reservation

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

Museum Exhibit Organizer

This question involves organizing museum exhibits by their estimated age. You will implement the mer

Music Playlist Manager

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

Music Playlist Simulator

This question involves developing a method to simulate a music playlist using an ArrayList. You will

Musical Instruments Hierarchy

Design a class hierarchy for musical instruments.

MusicPlaylist

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

MusicTrack Class Design

Implement the MusicTrack class as described above.

Ocean Pollution Detector

Analyze a 2D ocean pollution map to detect and segment polluted clusters.

OceanSimulator: Wave Distortion

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

Office Temperature Monitor

Implement a method to detect potential hot zones in an office by scanning for 2x2 submatrices where

Online Course Enrollment

This question involves managing course enrollments in an online learning system. You will implement

Online Course Feedback Analyzer

Implement the sortFeedbackScores and searchFeedbackScore methods in the FeedbackAnalyzer class.

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.

Online Survey Analyzer

This question involves analyzing online survey responses. You will implement methods to compute the

Order Processor

This question involves designing an OrderProcessor class to manage online orders and calculate total

Pac-Man Maze Simulation

This problem involves simulating Pac-Man's movement in a maze to collect pellets.

Park Ranger's Patrol

This problem simulates a park ranger patrolling a park grid to monitor potential hazards.

Parking Garage Levels Analysis

The ParkingGarage class models a multi-level parking structure using a 2D array, where each row repr

Parking Lot Grid Management

The ParkingLot class models a parking lot using a 2D boolean array where true indicates an occupied

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 Utility Class

Implement the PasswordGenerator class as described below.

Payment Processing Hierarchy

Design a class hierarchy for processing payments.

Pixel Image Filter

This question involves processing an image stored as a 2D array of grayscale pixel values (ranging f

PolynomialUtils Class

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

Product Class Design

Implement the Product class as described above.

Public Transport Usage Analyzer

Analyze public transport usage by identifying routes with unusual surges based on passenger counts.

Public Transportation Scheduler

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

Race Times Analysis

This FRQ involves analyzing race times stored in an ArrayList. You will implement methods to sort ra

Race Timing Analyzer

Determine the fastest race time from an array of finish times.

Real Estate Analyzer

This question involves implementing a RealEstateAnalyzer class to compute the average property price

Real Estate Listing Analyzer

Implement the sortListingsByPrice and searchListingByPrice methods in the ListingAnalyzer class.

RecipeOrganizer

Design a RecipeOrganizer class that manages a collection of recipes and their ingredients.

Restaurant Menu Sorter

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

Restaurant Order Processing

This question involves managing a restaurant's order queue using an ArrayList. You will implement me

Restaurant Order Processor

This question involves processing restaurant orders by computing the total cost of items in an order

Restaurant Order System

This question asks you to design a RestaurantOrder class to manage orders in a restaurant.

Retail Mall Floor Plan Analyzer

Implement a method to detect a cluster of food court cells in a retail mall floor plan grid.

Retail Sales Analyzer

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

Retail Store Sales Matrix Analysis

The SalesAnalyzer class manages sales data in a retail store using a 2D integer array, where each ro

Ride Sharing App Matching System

This question involves designing a RideShareMatcher class that matches riders with nearby drivers us

Robot Vacuum Cleaner

This problem simulates a robot vacuum cleaner navigating and cleaning a room represented as a grid.

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

Seating Chart Organizer

This question involves analyzing a theater seating chart represented by a 2D boolean array, where tr

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.

Sewer System Map Mapper

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

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Social Media Analytics

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

Social Media Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

Social Media Post Scheduler

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

Social Media Post Summaries

Design a social media content system using inheritance. Create an abstract Post class with an abstra

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 Equipment Hierarchy

Design a class hierarchy for modeling sports equipment usage.

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 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

Stock Market Analyzer

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

StockTracker

Design a StockTracker class that records stock prices and computes moving averages.

StringAnalyzer Class

This question involves designing a StringAnalyzer utility class that performs various string manipul

StringManipulator Utility Class

Implement the StringManipulator class as described below.

Student Class Design

Implement the Student class as described above.

Student Grades Analyzer

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

Student Grades Sorting

This FRQ involves processing a list of student exam scores. You will implement methods to sort score

Survey Data Processor

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

TeamStats

Implement methods to sort sports teams by their win-loss records and search for a team by name.

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

TerrainMap: Elevation Smoothing

This question involves designing a TerrainMap class that smooths a 2D array representing terrain ele

TextStatistics Class

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

Thermal Image Converter

Implement a method in the ThermalImageConverter class to normalize thermal data to a 0-255 scale usi

Ticket Booking System

This question simulates a seat booking system for events. The TicketBooking class manages a two-dime

TimeConversion Class

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

Traffic Density Analyzer

Develop a Traffic Density Analyzer to process vehicle counts and compute average traffic at intersec

Traffic Flow Analyzer

This question involves developing a TrafficFlowAnalyzer class to evaluate traffic data collected by

Traffic Flow Analyzer

This FRQ involves analyzing traffic data by managing vehicle count numbers. You will implement metho

Traffic Light Simulator

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

Traffic Light Timing

This question involves implementing a TrafficLightController class to manage traffic light state cha

Traffic Monitoring System

Develop methods to sort traffic data by vehicle speed and search for a vehicle with a specific speed

Traffic Monitoring System

In this question, you will process traffic data to determine if traffic conditions are safe. You are

Traffic Pattern Analyzer

Implement methods to process a traffic video frame by flipping it horizontally and detecting traffic

Traffic Signal Controller

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

TrafficMap: Route Highlighter

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

Transportation Ticketing System

Design a ticketing system using inheritance. Create an abstract Ticket class with an abstract method

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.

UrbanPlanner: Map Rotation and Reflection

This multi-part question involves designing the UrbanPlanner class to manipulate a city map represen

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 Garden Planner

This question involves developing a method for a Virtual Garden Planner to select plants based on th

Virus Spread Simulation

This question simulates the spread of a virus over a series of days. You will implement methods to p

Warehouse Pallet Organizer

Develop methods to organize and sort warehouse pallets by weight using selection sort and merge sort

Weather Data Analysis

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

Weather Data Analyzer

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

Weather Data Analyzer

Implement methods to process weather station data by sorting stations by temperature and searching f

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 Station Data Analyzer

This question involves analyzing weather station data records. You will implement methods to sort te

WeatherMap: Temperature Gradient

This question involves designing a WeatherMap class to apply a temperature gradient to a 2D array re

Wildlife Herd Counter

Implement a method to count the number of distinct animal herds in a wildlife tracking grid.

Word Search Puzzle Analyzer

This question requires scanning a word search puzzle represented by a 2D character array to locate a