AP Computer Science A FRQ Room

Agricultural Field Monitor

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

Ant Colony Simulation

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

ArrayUtilities Class

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

Bank Transaction Analyzer

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

Bank Transaction Explorer

This question involves searching for transactions by transactionID in a bank system. You will implem

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

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

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

Bookstore Item Discount Hierarchy

Design a class hierarchy for bookstore items with discount calculations.

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

Car Rental Service

This question asks you to design a CarRental class to model a car available for rent.

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 Grid Energy Consumption Analyzer

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

City Metro Routing

This question involves developing methods for a MetroRouter class that assists in finding optimal tr

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Concert Ticket

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

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.

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Cryptography Tool

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

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

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

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 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 Mosaic Generator

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

Dynamic Array Manipulation

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

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 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

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 Ballot Organizer

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

Emergency Alerts Hierarchy

Design a class hierarchy for an emergency alert system.

Employee Class Design

Implement the Employee class as described above.

Employee Records Search

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

Employee Timesheet Processor

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

Environmental Pollution Monitor

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

Environmental Sensor Readings

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

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.

EventTicketing

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

Factory Production Line Monitor

The ProductionMonitor class records machine outputs on a factory floor using a 2D integer array. Imp

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

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

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

Fitness Tracker

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

Fitness Tracker Data

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

Fitness Tracker Data Analysis

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

Fitness Tracker Data Analyzer

This question requires you to develop a FitnessTracker class that processes daily step counts record

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 Status Tracker

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

Flood Fill Algorithm

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

ForestFire: Spread Simulation

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

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

Garden Layout Analyzer

This question requires scanning a 2D array representing a garden to analyze plant distribution patte

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

Geometric Shapes Hierarchy

Design a class hierarchy for calculating the area of geometric shapes.

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

GradeBook

Design a GradeBook class that maintains student scores and computes averages and letter grades.

Grayscale Image Edge Finder

This question requires scanning a 2D array representing a grayscale image to detect edge pixels base

Grid Explorer Simulation

This problem simulates an explorer navigating an island grid with treasures, obstacles, and varied t

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

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.

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

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

ImageFilter: Edge Detection Filter

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

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 Item Locator

This question involves searching for items in an inventory system. You will implement the searchItem

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.

Lawn Mower Simulator

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

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 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 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 Management System

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

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.

LibrarySystem

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

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.

Matrix Sum Calculator

This question involves writing methods to compute the sums of each row and column in a given matrix.

MatrixOperations Class

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

Maze Navigator

Implement a method to determine if a path exists through a maze represented as a 2D grid of open ('0

Maze Navigator

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

Medical Imaging Tumor Scanner

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

Meteorological Observation Grid

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

Mining Sensor Data Processor

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

Mobile Phone

This question asks you to design a MobilePhone class to model a smartphone.

Movie Class Design

Implement the Movie class as described above.

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 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

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

Music Playlist Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

MusicPlaylist

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

Network Packet Analyzer

This question involves analyzing network packet latencies using array processing techniques. You wil

OceanSimulator: Wave Distortion

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

Office Temperature Monitor

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

Online Review Analyzer

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

Online Shopping Cart

This question asks you to design a ShoppingCart class to model a shopping cart in an online store.

Online Store Feedback Analyzer

Develop an Online Store Feedback Analyzer to filter valid feedback and compute the median rating.

Order Processor

This question involves designing an OrderProcessor class to manage online orders and calculate total

Pac-Man Maze Simulation

This problem involves simulating Pac-Man's movement in a maze to collect pellets.

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 Monitoring Layout

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

Park Ranger's Patrol

This problem simulates a park ranger patrolling a park grid to monitor potential hazards.

Parking Lot Occupancy Tracker

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

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

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 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.

Rainfall Data Processing

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

Real Estate Listing Analyzer

Implement the sortListingsByPrice and searchListingByPrice methods in the ListingAnalyzer class.

Real Estate Listings

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

Recipe Scaler

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

Reservation System

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

Restaurant Order Processor

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

Restaurant Order System

This question asks you to design a RestaurantOrder class to manage orders in a restaurant.

RestaurantOrder Class Design

Implement the RestaurantOrder class as described above.

Retail Inventory Empty Shelf Detector

Implement a method to check which rows in a retail inventory grid are completely empty.

Ride Sharing App Matching System

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

Robot Controller

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

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.

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

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

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 Device Hierarchy

Design a class hierarchy for smart devices.

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

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 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 Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

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 Scheduler

This question involves designing a PostScheduler class to manage the scheduling of social media post

Social Media Post Sorter

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

Social Media Post Summaries

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

Social Network Analyzer

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

Space Explorer Grid

This problem simulates a space explorer navigating a sector grid of space filled with obstacles and

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 Tournament Scheduler

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

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

StringManipulator Utility Class

Implement the StringManipulator class as described below.

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 Record System

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

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.

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

Thermal Image Converter

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

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 Density Analyzer

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

Traffic Flow Analyzer

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

Traffic Flow Analyzer

This FRQ involves analyzing traffic data by managing vehicle count numbers. You will implement metho

Traffic Monitoring System

Develop methods to sort traffic data by vehicle speed and search for a vehicle with a specific speed

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

Traffic Signal Controller

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

Traffic Simulator

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

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

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

Underwater Volcano Detector

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

UnitConverter Utility Class

Implement the UnitConverter class as described below.

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

Design a class hierarchy for vehicles.

Vehicle Hierarchy System

Design a vehicle hierarchy using inheritance and polymorphism. Create an abstract Vehicle class and

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 Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

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

WeatherData Analyzer

This question involves designing a WeatherDataAnalyzer class to manage daily weather measurements an

Wildlife Herd Counter

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

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