AP Computer Science A FRQ Room

Agricultural Field Monitor

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

Agricultural Land Analysis

Implement a method to identify the 2x2 submatrix with the highest total crop yield in an agricultura

Airline Reservations System

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

Airline Ticket Price Calculator

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

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

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 Collection Organizer

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

Art Exhibit

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

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 Explorer

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

Bank Transaction Processor

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

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

Battleship Navigation

This problem involves simulating the navigation of a battleship through an ocean grid with obstacles

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 Class Design

Implement the Book class as described above.

Book Collection Organizer

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

BudgetTracker

Design a BudgetTracker class that helps manage expenses by category.

Bus Route Scheduler

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

Car Class Design

Implement the Car class as described above.

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

Car Rental Service

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

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

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 Grid Analysis

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

Coffee Shop Order

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

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Container Shipping Scheduler

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

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Crop Health Analyzer

This question requires scanning a 2D array representing a farm field's crop health indices to evalua

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

Cybersecurity Intrusion Detector

This question involves detecting potential intrusions by validating IP addresses. You will implement

Data Compression Implementation

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

DataEncryption Utility Class

Implement the DataEncryption class as described below.

DateCalculator Utility Class

Implement the DateCalculator class as described below.

Digital Art Transformer

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

Digital Elevation Map Analyzer

This question involves analyzing a digital elevation map represented by a 2D array of integers. You

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 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

E-commerce Order Tracker

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

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

Election Results Processor

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

Election Vote Counter

Implement the sortCandidatesByName and searchCandidateByName methods in the VoteCounter class.

Election Vote Tally

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

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

Emergency Alerts Hierarchy

Design a class hierarchy for an emergency alert system.

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.

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.

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 Readings

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

Event Registration System

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

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

Exam Grader Automation

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

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 Class

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

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

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 Seating Planner

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

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.

Forest Fire Simulator

Implement methods to analyze forest fire spread using a grid. Identify contiguous fire clusters and

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.

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 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

Gardening Tool Hierarchy

Design a class hierarchy for gardening tools.

Geometric Shapes Hierarchy

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

GeometryHelper Utility Class

Implement the GeometryHelper class as described below.

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

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 Management

Implement the sortPatientsByName and searchPatientByName methods in the PatientManager class.

Hospital Patient Record Management

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

Hospital Patient Wait Times

Develop a Hospital Patient Wait Times analyzer to filter critical waits and compute the average wait

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

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

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

This multi-part question involves designing an ImageTransformer class that performs multiple transfo

Inventory Management System

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

Inventory Management System

This question involves developing methods for an InventoryManager class to manage a retail store's i

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Manager

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

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.

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 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 Item Checkout Hierarchy

Design a class hierarchy for library item checkout.

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 Locator

Implement a method to locate the nearest library in a 2D city map grid.

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.

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

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 Storm Cell Detector

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

Mobile App Notification System

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

Mobile Phone

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

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

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

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

MusicTrack Class Design

Implement the MusicTrack class as described above.

Ocean Floor Depth Mapping

The DepthMapper class records ocean floor depths in a 2D double array. Implement methods to determin

Ocean Pollution Detector

Analyze a 2D ocean pollution map to detect and segment polluted clusters.

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 Course Enrollment

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

Online Shopping Cart

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

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's Patrol

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

Parking Lot Manager

This question simulates a parking lot management system. The ParkingLot class manages a grid of park

Parking Lot Occupancy Tracker

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

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.

Payment Processing System

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

Personal Finance Calculator

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

PixelArt: Color Quantization

This question involves designing the PixelArt class to perform color quantization on an image. Imple

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

Product Class Design

Implement the Product class as described above.

Product Price Sorter

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

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

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.

Real Estate Analyzer

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

Real Estate Listings

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

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 Table Reservation Grid

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

RestaurantOrder Class Design

Implement the RestaurantOrder class as described above.

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

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 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.

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 Filter

Filter sensor readings by removing values below a specified threshold.

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 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

Smart Home Energy Monitor

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

Social Distancing Layout Checker

Implement a method to count pairs of people seated too close in a 2D seating grid.

Social Media Engagement Tracker

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

Social Media Feed Filter

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

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 Scheduler

This question involves scheduling social media posts. You will implement methods for scheduling indi

Social Media Post Summaries

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

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 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

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

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 Grades Analyzer

Analyze student grades using an ArrayList by computing the average and filtering failing grades.

Student Grades Sorting

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

Student Record System

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

Survey Data Processor

Analyze survey responses by computing frequency distribution and determining the most common respons

TaskManager

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

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.

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

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

Tissue Culture Growth Simulation

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

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 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

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

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

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

TrafficMap: Route Highlighter

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Transportation Ticketing System

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

Travel Itinerary

This question asks you to design a TravelItinerary class to represent a planned travel schedule.

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.

UnitConverter Utility Class

Implement the UnitConverter class as described below.

University Course

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

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

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 Inventory Manager

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

Warehouse Pallet Organizer

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

Weather Data Analysis

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

Weather Data Analyzer

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

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 Forecast Hierarchy

Design a class hierarchy for weather forecasts.

Weather Pattern Recognition

Analyze a grid representing meteorological data to detect storm patterns. Implement methods that ide

Weather Station Data Processor

This question requires you to process temperature data from a weather station using arrays. You will

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