AP Computer Science A FRQ Room

Academic Course Management

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

Agricultural Field Monitor

Implement the applyVegetationFilter method in the AgriculturalFieldMonitor class to classify crop he

Airline Ticket Price Calculator

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

Ant Colony Simulation

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

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 Fee Calculator

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

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 Processor

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

Battlefield Troop Counter

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

Battleship Board Analysis

This question involves a simplified Battleship game board represented by a 2D char array. In this bo

Battleship Board Scanner

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

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

Book Collection Manager

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

Book Inventory Manager

This question asks you to design a Book class to manage book details in an inventory system.

Bookstore Inventory Organizer

This FRQ focuses on organizing bookstore inventory data. You will implement methods to sort book tit

BudgetTracker

Design a BudgetTracker class that helps manage expenses by category.

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

CalendarEvent

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

Car Class Design

Implement the Car class as described above.

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

ChatRoom

Design a ChatRoom class that simulates a messaging environment for users.

Chess Board Analyzer

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

Chess Knight Moves

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

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 Simulator

This question involves simulating traffic light updates at city intersections on a 2D grid. You will

City Weather Report

This question asks you to design a CityWeather class to represent weather reports for a city.

Classroom Seating Analyzer

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

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

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

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.

Crop Health Analyzer

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

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

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.

DateCalculator Utility Class

Implement the DateCalculator class as described below.

Digital Elevation Map Analyzer

This question involves analyzing a digital elevation map represented by a 2D array of integers. You

Digital Image Edge Detector

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

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 Temperature Monitor

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

E-commerce Order System

This question simulates processing customer orders in an e-commerce environment. The OrderProcessor

E-commerce Order Tracker

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

Earthquake Intensity Map Analyzer

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

ECommerceOrderTracker

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

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 Counter

Implement the sortCandidatesByName and searchCandidateByName methods in the VoteCounter class.

Elevator Simulation

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

Emergency Response Routing

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

Employee Records Search

This FRQ involves managing employee records represented as strings. You will implement methods to so

Employee Salary Calculation Hierarchy

Design a class hierarchy to compute employee salaries.

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.

EnergyConsumption

Design an EnergyConsumption class that records daily energy usage and computes consumption statistic

Environmental Impact Calculator

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

Environmental Pollution Monitor

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

Event Registration System

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

Event Scheduler

This question involves designing an EventScheduler class to manage and organize events on a timeline

Factory Production Line Monitor

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

Farm Cluster Detector

This question requires scanning a 2D array representing a farm field to detect clusters of the same

Farm Crop Yield Predictor

This question involves predicting crop yield across multiple fields. You will implement methods to c

FileProcessor Class

This question involves designing a FileProcessor utility class that deals with text file content pro

FileProcessor Utility Class

Implement the FileProcessor class as described below.

FilmFrame: Time Lapse Overlap

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

Fitness Tracker

This question asks you to design a FitnessTracker class to represent the data collected by a wearabl

Fitness Tracker Data

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

FitnessTracker

Design a FitnessTracker class that logs workout sessions and provides summary statistics.

Flight Reservation System

This question involves designing a FlightReservation class to manage seat bookings, cancellations, a

Flight Seating Planner

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

Flood Fill Algorithm

This problem involves implementing a flood fill algorithm on a 2D grid representing an image.

Forest Fire Simulation

This problem simulates the spread of a forest fire in a 2D grid representing a forest.

ForestFire: Spread Simulation

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

Game Item Shop

This question involves designing a GameItemShop class to simulate an online shop for virtual game it

Game Level Map Editor

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

GameBoardMirror: Invert Puzzle Board

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

Garden Layout Analyzer

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

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

Grid Explorer Simulation

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

Healthcare Appointment System

This question involves managing healthcare appointments. You will implement methods to schedule appo

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 Record Management

This FRQ involves processing patient waiting times in a hospital. You will implement methods to sort

Hospital Patient Wait Times

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

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.

ImageFlipper: Vertical Flip

This question involves extending the ImageFlipper class to include a vertical flip method. Implement

ImageRotator: 90-Degree Clockwise Rotation

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

Inventory Item Locator

This question involves searching for items in an inventory system. You will implement the searchItem

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Management System

Manage an inventory by removing expired items and computing the total value of the remaining stock.

Inventory Management System

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

Inventory Tracker

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

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.

Library Book Inventory

Process a library's book inventory by counting overdue books and computing total overdue fines.

Library Book Management

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

Library Book Manager

This question simulates a library book manager that handles book search functionality. You will comp

Library Book Sorter

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

Library Item Management

Design a library item management system using inheritance. Create an abstract LibraryItem class with

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

LibraryCard Class Design

Implement the LibraryCard class as described above.

MathUtil Class

This question involves designing a MathUtil utility class that provides several mathematical computa

Matrix Sum Calculator

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

MatrixOperations Utility Class

Implement the MatrixOperations class as described below.

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.

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

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 Recommendation Engine

This question simulates a movie recommendation system. The MovieRecommender class stores movie title

Movie Showtime

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

Movie Ticket Sorter

Develop methods to sort movie showings by start time using selection sort and merge sort.

Museum Exhibit Organizer

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

Music Playlist Hierarchy

Design a class hierarchy for music playlists.

Music Playlist Organizer

Implement sorting methods to organize songs in a playlist by duration using bubble sort and merge so

Music Playlist Organizer

This question focuses on managing a music playlist stored in an ArrayList. You will implement a meth

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.

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

Order Processor

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

Parcel Delivery Optimization

This FRQ involves the management of parcel weights in a delivery system. You will implement methods

Park Ranger Monitoring Layout

This question involves calculating the number of trees visible from a given point in a park layout r

Parking Garage Levels Analysis

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

Parking Lot Manager

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

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.

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

Payment Processing Hierarchy

Design a class hierarchy for processing payments.

Payment Processing System

Design a payment processing system using inheritance and polymorphism. Create an abstract Payment cl

Pixel Image Filter

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

Planet Surface Rover Simulator

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

Plant Growth Analysis

Design a plant growth analysis system using inheritance. Create an abstract Plant class with an abst

PrimeUtils Class

This question involves designing a PrimeUtils utility class that offers methods for prime number ope

Product Class Design

Implement the Product class as described above.

Product Inventory System

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

Product Pricing Sorter

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

Product Review Analyzer

This question involves analyzing product reviews by sorting them based on ratings. You will complete

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

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 Order Processing

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

Restaurant Order Processing

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

Restaurant Order Processor

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

Restaurant Order Scheduler

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

Restaurant Order System

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

Restaurant Table Reservation Grid

The ReservationSystem class uses a 2D boolean array to represent table reservations in a restaurant,

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

Ride Sharing App Matching System

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

Robot Maze Navigation

This problem simulates navigating a robot through a maze with obstacles.

Satellite Crop Field Analyzer

This question requires scanning a 2D array representing a satellite image of crop fields to determin

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.

Shape Area Calculator

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

Smart Home Energy Monitor

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

Smart Home Energy Monitor

This question involves developing a smart home energy monitor that computes energy consumption. Impl

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 Engagement Tracker

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

Social Media Feed Filter

This question involves processing social media posts using an ArrayList. You will implement methods

Social Media Post Analyzer

This question examines the analysis of social media posts for specific hashtags. The PostAnalyzer cl

Social Media Post Summaries

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

SocialNetwork

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

Space Explorer Grid

This problem simulates a space explorer navigating a sector grid of space filled with obstacles and

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 Ranking

This question involves ranking sports teams by their number of wins. You will implement the selectio

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

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

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.

StringParser Utility Class

Implement the StringParser class as described below.

Student Class Design

Implement the Student class as described above.

Student Grade Processor

Develop a Student Grade Processor to filter passing grades and compute the median grade.

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

Student Record System

This question simulates the management of student records. The StudentRecords class maintains parall

Student Search Database

Implement linear and binary search methods to locate a student record by ID in a database.

TaskManager

Design a TaskManager class that tracks tasks and their completion status for project management.

Temperature Data Analyzer

Develop a Temperature Data Analyzer that manipulates an array of temperature readings.

Temperature Grid Analysis

This question involves analyzing a 2D array of temperature readings from various sensors. Complete t

Terrain Elevation Map

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

Terrain Map Editor

Implement methods to process a terrain map represented as a 2D array by flipping it vertically and s

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

Traffic Congestion Hotspot

Detect traffic congestion hotspots in a city grid by analyzing submatrix averages.

Traffic Congestion Zone Detector

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

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 Grid Simulator

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

Traffic Monitoring System

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

TrafficMonitor

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

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Travel Itinerary

This question asks you to design a TravelItinerary class to represent a planned travel schedule.

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 Volcano Detector

This question requires scanning a 2D array representing ocean floor elevation to identify volcano pe

Vaccine Distribution Center Analyzer

This question requires scanning a 2D array representing vaccine storage bins to detect clusters of e

Vehicle Hierarchy

Design a class hierarchy for vehicles.

Vehicle Hierarchy System

Design a vehicle hierarchy using inheritance and polymorphism. Create an abstract Vehicle class and

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

Virtual Zoo Habitat Enclosure

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

Virus Spread Simulation

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

Warehouse Inventory Manager

Develop a Warehouse Inventory Manager to remove out-of-stock items and compute the average stock lev

Warehouse Pallet Organizer

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

Warehouse Path Planning

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

Weather Data Analysis

This FRQ focuses on using an ArrayList of temperature readings. You will implement methods to sort t

Weather Data Analyzer

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

Weather Data Processing

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

Weather Station Data Processor

This question requires you to process temperature data from a weather station using arrays. You will

WeatherData Analyzer

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

WeatherMap: Temperature Gradient

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

WeatherReport Class Design

Implement the WeatherReport class as described above.

Wildlife Herd Counter

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

Wildlife Tracking System

Create a Wildlife Tracking System to manage animal species and their sighting counts.

Word Search Detector

This question simulates a word search puzzle pattern detection. Implement methods to locate a target