AP Computer Science A FRQ Room

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

Ant Colony Simulation

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

Appliance Efficiency Analyzer

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

ArrayUtilities Class

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

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 Analyzer

Analyze bank transactions by summing deposits and withdrawals from an array of transaction amounts.

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.

Battlefield Strategy Grid

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

Battleship Navigation

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

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 Class Design

Implement the Book class as described above.

Book Collection Organizer

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

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 Map Path Finder

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

Car Class Design

Implement the Car class as described above.

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

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

City Public Library Reservation System

Implement the sortReservationsByUserId and searchReservationByUserId methods in the LibraryReservati

Coffee Shop Order

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

Concert Ticket

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

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 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

Cryptography Tool

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

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

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 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 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

DigitalArt: Invert Colors

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

E-commerce Order System

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

E-Commerce Product Sorter

Implement the sortProductsByName and searchProductByName methods in the ProductSorter class.

E-commerce Review Sorter

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

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

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

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 Records Search

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

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

EnergyConsumption

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

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 Scheduler

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

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

EventTicketing

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

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 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

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.

Fitness Tracker Data Analysis

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

FitnessTracker

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

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

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

Floor Plan Transformer

Develop methods in the FloorPlanEditor class to rotate a floor plan 90 degrees and mirror it horizon

Forest Fire Simulation

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

Forest Fire Simulator

Implement methods to analyze forest fire spread using a grid. Identify contiguous fire clusters and

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 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

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

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

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 Floor Navigator

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

Hospital Patient Record Management

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

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

House Listing

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

Image Flipper

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

ImageRotator: 90-Degree Clockwise Rotation

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

Inventory Item

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

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 Manager

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

Labyrinth Diagonal Pathfinder

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

Leaderboard Manager

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

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 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 Catalog

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

Library Floor Navigation

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

Library Item Management

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

Library Loan Duration Analyzer

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

Library Navigation Assistant

This question involves assisting with navigating a library, whose layout is represented as a 2D grid

LibraryCard Class Design

Implement the LibraryCard class as described above.

LibrarySystem

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

Local Event Scheduler

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

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.

MatrixOperations Class

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

MatrixOperations Utility Class

Implement the MatrixOperations class as described below.

Maze Navigator

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

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.

MedicalImage: Contrast Enhancement

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

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 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 Ticket Sorter

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

Museum Security Patrol

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

Music Playlist Duration Analyzer

Develop a Music Playlist Duration Analyzer to filter short tracks and compute total duration.

Music Playlist Manager

This question involves managing a music playlist that is maintained in a sorted order based on song

Music Playlist Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

Music Playlist Simulator

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

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 Floor Depth Mapping

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

Ocean Pollution Detector

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

Office Layout Navigation

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

Office Temperature Monitor

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

Online Course Enrollment

This FRQ deals with managing course enrollment numbers for online classes. You will implement method

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

PacMan Maze Simulation

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

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 Occupancy Detector

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

Parking Lot Occupancy Tracker

This question involves determining occupancy information for a parking lot represented as a 2D array

ParkingLotManager

Design a ParkingLotManager class that tracks parked cars and available parking spots.

PasswordGenerator Utility Class

Implement the PasswordGenerator class as described below.

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

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

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.

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

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.

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.

Rainfall Data Processing

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

Real Estate Listings

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

Recipe Scaler

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

Reservation System

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

Restaurant Order Processor

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

Restaurant Table Reservation Grid

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

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.

Retail Store Sales Matrix Analysis

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

Robot Controller

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

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

Sea Temperature Analyzer

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

Security Camera Image Analyzer

Implement the autoEnhance method in the SecurityCameraProcessor class to adjust brightness and contr

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.

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

Soccer Field Tactics Simulator

This question involves determining if a clear path exists between two points on a soccer field repre

Social Media Analytics

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

Social Media Feed Analyzer

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

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

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 Sorter

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

Social Media Post Summaries

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

Sports Team Player Evaluation

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

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

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 Grade Processor

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

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.

Sudoku Validator

This question requires you to validate rows and columns in a Sudoku board represented as a 2D array.

Survey Data Processor

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

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.

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

Ticket Booking System

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

TimeConverter Utility Class

Implement the TimeConverter class as described below.

Tissue Culture Growth Simulation

This problem involves simulating the growth of tissue culture on a grid over time.

Traffic Accident Analyzer

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

Traffic Congestion Hotspot

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

Traffic Data Processor

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

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 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 Pattern Analyzer

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Transportation Ticketing System

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

Travel Itinerary

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

Underwater Volcano Detector

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

UnitConverter Utility Class

Implement the UnitConverter class as described below.

University Course

This question asks you to design a UniversityCourse class to represent a course offered at a univers

UrbanPlanner: Map Rotation and Reflection

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

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

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

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

Weather Data Analysis

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

Weather Data Analysis

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

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 temperature data. You are to implement methods to compute t

Weather Data Analyzer

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

Weather Forecast Hierarchy

Design a class hierarchy for weather forecasts.

Weather Station Data Processor

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

WeatherReport Class Design

Implement the WeatherReport class as described above.