AP Computer Science A FRQ Room

Agricultural Field Monitor

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

Airline Reservations System

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

Ant Colony Simulation

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

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

Art Collection Organizer

This question involves organizing an art collection by the year each piece was created. You will imp

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

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

Bank Transaction Monitor

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

Bank Transaction Processor

This question simulates processing transactions within a bank. The TransactionProcessor class manage

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

BattleGrid Analysis

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Book Collection Organizer

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

Bookstore Inventory Organizer

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

Bookstore Item Discount Hierarchy

Design a class hierarchy for bookstore items with discount calculations.

Building Evacuation Plan

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

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

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.

Chat Message Thread Organizer

This question involves processing chat messages recorded in a forum thread. You will implement metho

CipherUtility Utility Class

Implement the CipherUtility class as described below.

City Public Library Reservation System

Implement the sortReservationsByUserId and searchReservationByUserId methods in the LibraryReservati

City Traffic Simulator

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

Classroom Seating Analyzer

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

Coffee Shop Order

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

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

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 Image Edge Detector

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

Digital Library Borrowing Data

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

Digital Media Library

This question asks you to design a DigitalMedia class to represent digital media items in a library.

Digital Photo Editor

Implement a brightness adjustment method in the DigitalPhotoEditor class to uniformly increase the b

DigitalArt: Invert Colors

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

Drone Delivery System

This problem simulates a drone delivery system that navigates through a city grid with obstacles.

Drone Flight Grid

This question simulates a drone flying over a 2D airspace grid. You will implement methods to naviga

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

E-commerce Transaction Validator

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

E-Mail Filter

Filter an ArrayList of email messages to remove those containing the keyword 'spam'.

ECommerceOrderTracker

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

Election Results Processor

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

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

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 Payroll

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

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.

Energy Consumption Tracker

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

EnergyConsumption

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

Environmental Impact Calculator

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

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Environmental Sensor Readings

Develop a sensor reading system using inheritance. Create an abstract Sensor class with an abstract

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

Event Timer and Alarm

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

EventTicketing

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

Exam Grader Automation

This question involves designing an ExamGrader class to automatically grade multiple choice exams ba

Farm Field Irrigation

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

FileProcessor Class

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

FileStatistics Class

This question involves designing a FileStatistics utility class for computing statistical informatio

FilmFrame: Time Lapse Overlap

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

Financial Stock Analyzer

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

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 Analysis

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

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Flight Class Design

Implement the Flight class as described above.

Flight Seating Planner

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

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

Forest Region Identifier

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

ForestFire: Spread Simulation

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

Fuel Consumption Tracker

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

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

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

Geographic Location Lookup

Develop search methods to filter cities based on population thresholds using linear and binary searc

GeometryHelper Utility Class

Implement the GeometryHelper class as described below.

GPS Navigation Assistant

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

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

HeatMap: Smoothing and Normalization

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

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

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

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 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: Vertical Flip

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

Inventory Management System

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

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Manager

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

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

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 Inventory

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

Library Book Manager

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

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 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

Library Shelf Arrangement

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

LibraryCard Class Design

Implement the LibraryCard class as described above.

Local Event Scheduler

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

LogFormatter Class

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

Logistics Delivery Routing

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

MathUtil Class

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

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

MazeRobot Navigation

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

Medical Image Processor

Design methods for processing medical images by enhancing contrast and detecting anomalies.

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

Meteorological Storm Cell Detector

This question requires scanning a 2D array of radar data to identify storm cells based on intensity

Mining Sensor Data Processor

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

MosaicMaker: Pixelation Effect

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

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

Movie Recommendation Engine

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

Movie Theater Seat Reservation

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

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 designing a MusicPlaylistManager class to organize and manage a playlist of s

Music Playlist Organizer

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

Music Playlist Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

Musical Instruments Hierarchy

Design a class hierarchy for musical instruments.

MusicTrack Class Design

Implement the MusicTrack class as described above.

OceanSimulator: Wave Distortion

This question involves designing the OceanSimulator class to simulate wave distortions on a water su

Office Layout Navigation

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

Online 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 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

Park Ranger Monitoring Layout

This question involves calculating the number of trees visible from a given point in a park layout r

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

ParkingLotManager

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

Payment Processing System

Design a payment processing system using inheritance and polymorphism. Create an abstract Payment cl

Pixel Art Transformer

Implement a method that performs a transformation on pixel art by rotating it and applying a scaling

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

Plant Growth Analysis

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

Product Class Design

Implement the Product class as described above.

Public Transport Usage Analyzer

Analyze public transport usage by identifying routes with unusual surges based on passenger counts.

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.

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

Restaurant Order Processing

This FRQ entails managing restaurant orders represented as monetary amounts. You will implement meth

Restaurant Order Processor

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

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 Mall Floor Plan Analyzer

Implement a method to detect a cluster of food court cells in a retail mall floor plan grid.

Retail Store Sales Matrix Analysis

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

Ride Sharing App Matching System

This question involves designing a RideShareMatcher class that matches riders with nearby drivers us

Robot Maze Navigation

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

Robot Vacuum Floor Scanner

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

Sales Performance Analysis

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

SatelliteImage: Grid Resizing

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

Sea Temperature Analyzer

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

Seating 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

Security Camera Image Analyzer

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

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.

Sensor Data Processor

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

Smart City Parking Assistant

This question involves managing parking spot assignments in a smart city environment. You are to imp

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

Smartphone Class Design

Implement the Smartphone class as described above.

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 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

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

SocialNetwork

Design a SocialNetwork class that manages user registrations and friend relationships.

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

Stock Market Trend Analyzer

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

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 Grades Sorting

This FRQ involves processing a list of student exam scores. You will implement methods to sort score

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

Sudoku Validator

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

TaskManager

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

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 Map Editor

Implement methods to process a terrain map represented as a 2D array by flipping it vertically and s

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

Thermal Image Converter

Implement a method in the ThermalImageConverter class to normalize thermal data to a 0-255 scale usi

Ticket Booking System

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

TimeConversion Class

This question involves designing a TimeConversion utility class that converts between seconds and HH

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 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 Density Analyzer

Develop a Traffic Density Analyzer to process vehicle counts and compute average traffic at intersec

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.

Transportation Ticketing System

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

UnitConverter Utility Class

Implement the UnitConverter class as described below.

Urban Building Cluster Analyzer

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

Vaccine Distribution Center Analyzer

This question requires scanning a 2D array representing vaccine storage bins to detect clusters of e

VehicleTracker

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

Virtual Zoo Habitat Enclosure

This question involves analyzing animal species within a virtual zoo's habitat, represented as a 2D

Warehouse Inventory Manager

Develop a Warehouse Inventory Manager to remove out-of-stock items and compute the average stock lev

Warehouse Inventory Tracker

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

Weather Data Analysis

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

Weather Data Analyzer

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

Weather Data Analyzer

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

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

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.

Wildlife Herd Counter

Implement a method to count the number of distinct animal herds in a wildlife tracking grid.

Wildlife Tracking System

Create a Wildlife Tracking System to manage animal species and their sighting counts.

Word Search Puzzle Analyzer

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