AP Computer Science A FRQ Room

Academic Course Management

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

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

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

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

Art Exhibit

This question asks you to design an ArtExhibit class to represent an art exhibition show.

Bank Transaction Analyzer

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

Bank Transaction Analyzer

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

Bank Transaction Monitor

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

Bank Transaction Summarizer

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

BankAccount Class Design

Implement the BankAccount class as described above.

Battlefield Strategy Grid

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

Battlefield Troop Counter

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

BattleGrid Analysis

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

Battleship Board Analysis

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

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 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

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.

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 Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

ChatBot Response System

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

ChatRoom

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

ChessKnight Moves

This question involves calculating all possible moves for a knight on a chessboard from a given posi

City Grid Energy Consumption Analyzer

Implement a method to identify a high energy consumption area in a city grid by detecting a submatri

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 Weather Report

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

Coffee Shop Order

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

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.

Converter Class

This question involves designing a Converter utility class for converting between various units usin

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

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

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 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 Art Transformer

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

Digital Library Borrowing Data

This FRQ involves analyzing borrowing data from a digital library. You will implement methods to sor

Digital Mosaic Generator

Develop methods in the DigitalMosaicGenerator class to create a mosaic effect by computing block ave

Digital 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.

Dynamic Array Manipulation

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

Dynamic Shopping Cart Simulator

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

E-commerce Order Management

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

E-Commerce Price Analyzer

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

E-commerce Transaction Validator

This question revolves around the validation of e-commerce transactions using credit card verificati

ECommerceOrderTracker

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

Election Vote Tally

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

Elevator Simulation

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

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 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.

Employee Timesheet Processor

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

Energy Consumption Tracker

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

Environmental Impact Calculator

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

Event Registration System

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

Event Scheduling Simulator

Manage event schedules by detecting conflicts and removing conflicting events.

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

ExpressionEvaluator Class

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

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

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.

FilmFrame: Time Lapse Overlap

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

Financial Portfolio Manager

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

Financial Stock Analyzer

This question simulates analysis of stock price data. The StockAnalyzer class processes an array of

Fire Evacuation Simulator

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

Fitness Tracker

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

Fitness Tracker

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

Fitness Tracker Data

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

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Flood Fill Algorithm

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

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 Region Identifier

This question requires scanning a 2D array representing a satellite image to analyze forest regions.

Game Item Shop

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

Game of Life Pattern Detector

This question requires scanning a 2D array representing a Game of Life board to count the live neigh

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.

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

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

Hospital Patient Record Management

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

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

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

HTTPStatusHelper Class

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

Ice Cream Flavor Finder

This question involves analyzing an ice cream parlor’s flavor distribution grid. Implement methods t

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.

Image Smoothing Filter

Enhance the ImageEditor class by developing a smoothing filter that reduces noise in an image throug

ImageFlipper: Horizontal Flip

This question involves designing an ImageFlipper class to perform a horizontal flip on a 2D array re

ImageFlipper: Vertical Flip

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

Inventory Item

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

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory 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

Inventory Manager

This question simulates inventory management in a warehouse. The Inventory class tracks items and th

Inventory Tracker

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

InventoryFormatter Class

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

InventoryManager

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

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 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

Maze Navigator

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

MazeRobot Navigation

This question involves managing a MazeRobot that navigates a 2D grid maze with obstacles. You will i

Medical Imaging Tumor Scanner

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

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

MosaicMaker: Pixelation Effect

This question involves designing the MosaicMaker class to create a pixelated version of an image. Im

Movie Database Search

This question involves searching for movies by rating in a movie database. You will implement the se

Movie Rating Aggregator

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

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

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

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 Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

Music Playlist Organizer

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

Music Playlist Simulator

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

Musical Instruments Hierarchy

Design a class hierarchy for musical instruments.

MusicPlaylist

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

MusicTrack Class Design

Implement the MusicTrack class as described above.

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.

Office Temperature Monitor

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

Online Course Feedback Analyzer

Implement the sortFeedbackScores and searchFeedbackScore methods in the FeedbackAnalyzer class.

Online Review Analyzer

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

Online Shopping Cart

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

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.

ParkingLotManager

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

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.

Payment Processing Hierarchy

Design a class hierarchy for processing payments.

Personal Finance Calculator

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

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.

PrimeUtils Class

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

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

Production Quality Control

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

Public Transit Scheduler

This question involves creating a TransitScheduler class to determine bus arrival times and update b

Race Times Analysis

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

RecipeOrganizer

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

Recycling Center Material Sorter

Implement the sortMaterialsByType and searchMaterialByType methods in the MaterialSorter class.

Restaurant Menu Sorter

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

Restaurant Table Reservation Grid

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

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

Road Trip Planner

This question involves creating a RoadTripPlanner class that manages an ArrayList of stops (location

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 Vacuum Cleaner

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

Robot Vacuum Floor Scanner

This question requires scanning a 2D array representing a home floor plan to simulate a robot vacuum

Room Temperature Monitor

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

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

Score Analyzer

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

Security Camera Image Analyzer

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

Sensor Data Noise Filter

This question involves developing methods for a SensorFilter class to remove noise from sensor data.

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

Smart Home Energy Monitor

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

Soccer Field Tactics Simulator

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

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 Feed Filter

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

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

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 Tournament Scoreboard

The Scoreboard class tracks game scores in a sports tournament using a 2D array, where each row repr

SportsTeam Class Design

Implement the SportsTeam class as described above.

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

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.

StringAnalyzer Class

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

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 Grade Processor

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

Student Record

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

Student Record System

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

Sudoku Validator

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

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.

Tissue Culture Growth Simulation

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

Traffic Grid Simulator

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

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 Pattern Analyzer

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

Traffic Signal Controller

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

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

TrafficMonitor

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Travel Time Estimator

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

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 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 Pallet Organizer

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

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Station Data Analyzer

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

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

Word Search Puzzle Analyzer

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