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

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.

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 Account Manager

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

Bank Transaction Explorer

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

BankAccount Class Design

Implement the BankAccount class as described above.

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 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

Bike Sharing System

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

Book Inventory Manager

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

Bookstore Item Discount Hierarchy

Design a class hierarchy for bookstore items with discount calculations.

BudgetTracker

Design a BudgetTracker class that helps manage expenses by category.

Calendar Event Conflict Resolver

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

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

Chess Knight Moves

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

City Metro Routing

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

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

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.

Crop Health Analyzer

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

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

Digital Art Transformer

This question involves transforming a digital art image represented as a 2D array of grayscale pixel

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 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 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 Shopping Cart Simulator

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

E-commerce Order System

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

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'.

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

Emergency Alerts Hierarchy

Design a class hierarchy for an emergency alert system.

Employee Record Finder

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

Employee Records Search

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

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.

Employee Timesheet Processor

This question involves implementing a TimesheetProcessor class to compute total work hours and ident

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 Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Environmental Sensor Readings

Design an Environmental Sensor Readings analyzer to filter valid readings and compute standard devia

Event Scheduling Simulator

Manage event schedules by detecting conflicts and removing conflicting events.

Event Seating Analyzer

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

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

Farm Field Irrigation

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

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.

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

Fire Evacuation Simulator

This problem simulates an evacuation scenario within a building during a fire, represented by a grid

Fitness Activity Calories Calculation Hierarchy

Design a class hierarchy to calculate calories burned during fitness activities.

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 Class Design

Implement the Flight class as described above.

Flight Seating Planner

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

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

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

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

GradeBook

Design a GradeBook class that maintains student scores and computes averages and letter grades.

Grayscale Image Edge Finder

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

Heat Map Cluster Detector

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

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 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.

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.

Image Color Inverter

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

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.

ImageFilter: Edge Detection Filter

This question involves designing an ImageFilter class to perform edge detection on a 2D array repres

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 Item Locator

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

Inventory Management System

This question involves managing an inventory system. You need to implement methods that update inven

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

InventoryFormatter Class

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

Labyrinth Diagonal Pathfinder

This question focuses on diagonal traversal of a 2D array representing a labyrinth. Implement method

Lawn Mower Simulator

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

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 Search

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

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 Item Checkout Hierarchy

Design a class hierarchy for library item checkout.

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

LibraryCard Class Design

Implement the LibraryCard class as described above.

Local Event Scheduler

This question involves implementing an EventScheduler class to manage community events by adding and

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 Utility Class

Implement the MatrixOperations class as described below.

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

Mining Sensor Data Processor

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

Mobile Phone

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

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 Recommendation Engine

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

Movie Theater Seat Reservation

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

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 Manager

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

Music Playlist Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

Music Playlist Organizer

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

Music Playlist Organizer

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

MusicTrack Class Design

Implement the MusicTrack class as described above.

Network Packet Analyzer

This question involves analyzing network packet latencies using array processing techniques. You wil

Ocean Floor Depth Mapping

The DepthMapper class records ocean floor depths in a 2D double array. Implement methods to determin

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 Quiz System

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

Online Shopping Cart

This question asks you to design a ShoppingCart class to model a shopping cart in an online store.

Online Store Feedback Analyzer

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

Pac-Man Maze Simulation

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

PacMan Maze Simulation

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

Parcel Delivery Optimization

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

Park Ranger's Patrol

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

Parking Lot Occupancy Detector

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

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

Personal Finance Calculator

This question involves implementing a FinanceCalculator class to compute monthly interest and cumula

PixelArt: Color Quantization

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

Plant Growth Analysis

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

PolynomialUtils Class

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

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 Price Sorter

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

Production Quality Control

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

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

QR Code Processor

Implement methods for processing QR code images by reducing noise and flipping the code vertically.

Rainfall Data Processing

This question deals with processing a 2D array of rainfall data. The RainfallAnalyzer class stores r

Real Estate Listing Analyzer

Implement the sortListingsByPrice and searchListingByPrice methods in the ListingAnalyzer class.

Real Estate Listings

This FRQ simulates a real estate listings management system. You will implement methods to sort list

Recipe Ingredient Calculator

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

Recipe Scaler

This question involves implementing the RecipeScaler class with a method that scales ingredient meas

Recycling Center Material Sorter

Implement the sortMaterialsByType and searchMaterialByType methods in the MaterialSorter class.

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 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.

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 Sales Analyzer

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

Robot Controller

This question involves designing a RobotController class to simulate a robot navigating a grid-based

Robot Navigation Simulator

This question involves designing a RobotNavigator class that simulates movement in a grid and determ

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

Sales Performance Analysis

This FRQ involves analyzing sales figures. You will implement methods to sort sales figures in desce

Satellite Image Analyzer

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

SatelliteImage: Grid Resizing

This question involves designing the SatelliteImage class to resize a 2D image grid by doubling its

Sea Temperature Analyzer

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

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 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

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Smart Device Update Manager

Develop a smart device update manager using inheritance. Create an abstract SmartDevice class with a

Smart Home Energy Monitor

This question simulates a smart home energy monitoring system. The EnergyMonitor class analyzes hour

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.

Social Distancing Layout Checker

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

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 Post

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

Social Media Post Analyzer

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

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

Social Media Post Scheduler

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

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 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 Scheduler

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

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

Stock Market Trend Analyzer

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

StockTracker

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

StockTracker Simulation

This question involves designing a StockTracker class to monitor the stock prices of various compani

StringManipulator Utility Class

Implement the StringManipulator class as described below.

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 Record

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

Student Records Processor

This question simulates processing student records using two different search methods: linear search

Student Scores Analyzer

Implement the methods in the StudentScoreAnalyzer class.

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.

TeamStats

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

TerrainMap: Elevation Smoothing

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

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 Accident Analyzer

This question involves implementing an AccidentAnalyzer class to process accident reports and comput

Traffic Data Processor

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

Traffic Flow Analyzer

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

Traffic Signal Controller

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

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

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

Underwater Drone Explorer

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

UrbanPlanner: Map Rotation and Reflection

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

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.

VideoGame Class Design

Implement the VideoGame class as described above.

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 Inventory Tracker

The Warehouse class manages a 2D array representing the count of boxes in different warehouse sectio

Weather Data Analyzer

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

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Weather Data Analyzer

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

Weather Station Data Analyzer

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

WeatherData Analyzer

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

Word Search Detector

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