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 Reservations System

This question involves designing an AirlineReservations class to manage seat reservations on an airp

Airline Ticket Price Calculator

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

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

Ant Colony Simulation

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

Apartment Class Design

Implement the Apartment class as described above.

Appliance Efficiency Analyzer

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

Bank Transaction Analyzer

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

Bank Transaction Summarizer

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

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 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

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 Manager

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

Book Collection Organizer

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

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

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

ChatBot Response System

This question involves designing a ChatBotResponseSystem class to simulate basic conversational resp

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 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

City Traffic Simulator

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

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Container Shipping Scheduler

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

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

Course Enrollment Sorter

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

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

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.

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

DataEncryption Utility Class

Implement the DataEncryption class as described below.

DateCalculator Utility Class

Implement the DateCalculator class as described below.

Digital Art Transformer

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

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

Drone Delivery Navigation

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

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 Temperature Monitor

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

E-commerce Order Management

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

E-commerce Order Tracker

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

E-Commerce Price Analyzer

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

ECommerceOrderTracker

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

Educational Institution Application

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

Election Ballot Organizer

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

Election Results Processor

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

Election Vote Counter

Implement the sortCandidatesByName and searchCandidateByName methods in the VoteCounter class.

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.

Employee Class Design

Implement the Employee class as described above.

Employee Payroll

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

Employee Record Finder

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

Employee Salary System

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

Environmental Impact Calculator

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

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

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 Class

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

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

Fire Evacuation Simulator

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

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.

ForestFire: Spread Simulation

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

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.

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.

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.

Gym Membership Tracker

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

HeatMap: Smoothing and Normalization

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

Hospital 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 System

This question involves a hospital patient management system. You will complete the searchPatient and

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

HTTPStatusHelper Class

This question involves designing an HTTPStatusHelper utility class that maps HTTP status codes to th

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.

ImageFilter: Edge Detection Filter

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

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

InventoryManager

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

Labyrinth Diagonal Pathfinder

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

Leaderboard System Simulation

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

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 Catalog

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

Library Catalog Advisor

Implement methods to sort a library catalog by publication year using selection sort and merge sort.

Library Floor Navigation

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

Library Management System

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

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

LogFormatter Class

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

Logistics Delivery Routing

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

MathUtilities Utility Class

Implement the MathUtilities class as described below.

MatrixOperations Class

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

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

Mining Sensor Data Processor

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

Mobile App Notification System

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

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 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 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 Review Analyzer

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

Online Shopping Cart

This question involves managing an online shopping cart. You will implement methods to compute the t

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

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

PasswordValidator Utility Class

Implement the PasswordValidator 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

Plant Growth Analysis

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

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

Product Price Sorter

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

Product Review Analyzer

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

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.

Race Times Analysis

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

Rainfall Data Processing

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

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 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 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.

Robot Controller

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

Robot Maze Navigation

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

Robot Navigation Simulator

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

Robot Task Performance Hierarchy

Design a class hierarchy for robots performing various tasks.

Robot Vacuum Cleaner

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

Room Temperature Monitor

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

Sales Performance Analysis

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

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

Score Analyzer

This question involves implementing the ScoreAnalyzer class to compute average scores and count the

Sea Temperature Analyzer

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

Seating Arrangement Checker

This question involves checking seating arrangements represented as a 2D array. Implement methods in

Seating Chart Organizer

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

SecurityCam: Blur Filter

This question involves designing the SecurityCam class to apply a blur filter on a grayscale securit

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

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 Analyzer

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

Social Media Feed Filter

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

Social Media Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

Social Media Post Analyzer

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

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

Social Network Analyzer

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

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.

Stock Market Analyzer

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

StringParser Utility Class

Implement the StringParser class as described below.

Student Grade Analyzer

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

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 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.

Student Test Score Analyzer

This question involves analyzing student test scores by sorting and searching them. You will complet

Submarine Sonar Anomaly Detector

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

TaskManager

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

Temperature Grid Analysis

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

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

Terrain Elevation Map

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

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

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.

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 Congestion Zone Detector

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

Traffic Data Processor

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

Traffic 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 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 Simulator

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

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Travel Time Estimator

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

Urban Building Cluster Analyzer

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

VehicleTracker

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

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

Weather Data Analysis

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

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Weather Data Analyzer

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

Weather Data Analyzer

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

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

WeatherReport Class Design

Implement the WeatherReport class as described above.

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