AP Computer Science A FRQ Room

Academic Course Management

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

Agricultural Field Monitor

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

Animal Class Design

Implement the Animal class as described above.

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.

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 Manager

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

Bank Transaction Analyzer

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

Bank Transaction 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 Scanner

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Blueprint Analyzer

Develop methods in the BlueprintAnalyzer class to rotate a blueprint 90 degrees and to check if it i

Book Inventory Manager

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

Bookstore Inventory Organizer

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

BudgetTracker

Design a BudgetTracker class that helps manage expenses by category.

Building Evacuation Plan

This question involves developing an evacuation plan for a building modeled as a 2D grid. You will i

Bus Route Scheduler

This question simulates managing a bus route schedule. You will implement methods to search for a bu

CalendarEvent

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

Campus Navigation Helper

This question involves finding the shortest route on a campus map represented as a 2D grid. You will

Car Class Design

Implement the Car class as described above.

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

Chess Board Analyzer

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

City Grid Energy Consumption Analyzer

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

City Traffic Grid Analysis

This question uses a 2D character array representing a city traffic grid, where 'C' indicates a car

City Weather Report

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

Classroom Seating Analyzer

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

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

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

Cryptography Tool

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

Data Compression Implementation

This question involves implementing simple data compression and decompression methods using run-leng

DateCalculator Utility Class

Implement the DateCalculator class as described below.

Digital Image Edge Detector

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

Digital Poster Editor

Enhance the digital poster editing experience by implementing brightness adjustment and horizontal m

Drone Delivery 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 Shopping Cart Simulator

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

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 Price Analyzer

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

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-commerce Transaction Validator

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

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 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

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 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

Energy Consumption Tracker

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

Environmental Pollution Monitor

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

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 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 Seating Analyzer

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

Event Timer and Alarm

This question involves managing alarm times in a sorted ArrayList. You will implement a method to in

Farm Cluster Detector

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

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

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

Flight Class Design

Implement the Flight class as described above.

Flight Status Tracker

This question involves designing a FlightStatusTracker class to monitor and report the status of var

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.

Fuel Consumption Tracker

Analyze fuel consumption readings by removing outlier values and computing the average consumption.

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

GameBoardMirror: Invert Puzzle Board

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

Garden Layout Planner

This question involves planning a garden layout represented as a 2D grid and evaluating sprinkler co

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.

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

GPS Navigation Assistant

This question simulates a GPS navigation assistant. The NavigationSystem class computes distances be

Gym Membership Tracker

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

Healthcare Appointment System

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

Hospital Floor Navigator

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

Hospital Patient Queue

Write two search methods to find patients by emergency level in a hospital queue.

Hospital Patient Record Management

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

House Listing

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

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 Edge Enhancer

Implement a method in the ImageEditor class that enhances the edges in an image by applying an edge

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.

Image Smoothing Filter

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

ImageFilter: Edge Detection Filter

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

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 Management System

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

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

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

Lawn Mower Simulator

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

Leaderboard Manager

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

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 Inventory

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

Library Book Management

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

Library Book Manager

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

Library Book 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 Advisor

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

Library Item Management

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

Library Shelf Arrangement

The LibraryShelves class manages book placements on shelves using a 2D String array, where non-empty

LibrarySystem

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

MathUtil Class

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

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 Imaging Tumor Scanner

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

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

Meteorological Observation Grid

This question involves processing a 2D grid of temperature observations. You will implement a method

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 Theater Seat Reservation

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

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 Hierarchy

Design a class hierarchy for music playlists.

Music Playlist Manager

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

Music Playlist Organizer

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

Music Playlist Organizer

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

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.

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 Enrollment

This question involves managing course enrollments in an online learning system. You will implement

Online Course Enrollment

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

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.

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.

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 Grid Management

The ParkingLot class models a parking lot using a 2D boolean array where true indicates an occupied

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.

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

Payment Processing Hierarchy

Design a class hierarchy for processing payments.

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.

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.

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

Race Times Analysis

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

Real Estate Analyzer

This question involves implementing a RealEstateAnalyzer class to compute the average property price

Real Estate Listing Analyzer

Implement the sortListingsByPrice and searchListingByPrice methods in the ListingAnalyzer class.

Recipe Ingredient Calculator

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

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 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.

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 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 Maze Navigation

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

Satellite Image Analyzer

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

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.

Sensor Data Processor

This question involves designing a SensorDataProcessor class to handle and analyze data from multipl

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 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 designing an EnergyMonitor class that processes smart home energy usage data

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 Analytics

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

Social Media Engagement Tracker

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

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

Sports Team Ranking

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

Sports Tournament Scheduler

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

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 Simulation

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

Student Grade Analyzer

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

Student Record System

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

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.

Submarine Sonar Anomaly Detector

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

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

Temperature Data Analyzer

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

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

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

Tissue Culture Growth Simulation

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

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 Flow Analyzer

This question involves developing a TrafficFlowAnalyzer class to evaluate traffic data collected by

Traffic Grid Simulator

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

Traffic Light Timing

This question involves implementing a TrafficLightController class to manage traffic light state cha

Traffic Monitoring System

In this question, you will process traffic data to determine if traffic conditions are safe. You are

Traffic Pattern Analyzer

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

TrafficMap: Route Highlighter

This question involves designing the TrafficMap class to highlight a route on a city grid represente

TrafficMonitor

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

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Travel Itinerary Planner

This question involves developing methods for an ItineraryPlanner class that organizes travel destin

Travel Time Estimator

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

Underwater Drone Explorer

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

University Course

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

Urban Building Cluster Analyzer

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

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 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.

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 Analysis

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Processing

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

Weather Station Data Analyzer

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

WeatherMap: Temperature Gradient

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

WeatherReport Class Design

Implement the WeatherReport class as described above.

Wildlife 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