AP Computer Science A FRQ Room

Agricultural Field Monitor

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

Airline Ticket Price Calculator

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

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.

ArrayStatistics Utility Class

Implement the ArrayStatistics class as described below.

ArrayUtilities Class

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

Art Collection Organizer

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

Bank Account Manager

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

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 Analysis

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

Bike Sharing System

This question simulates a bike-sharing system. The BikeShare class maintains a HashMap to track the

Book Catalog Manager

Design a Book Catalog Manager to search for books by author and compute the average publication year

Book Collection Manager

This question involves designing a BookCollection class for managing a collection of books, includin

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.

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 Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

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 Knight Moves

This problem involves simulating the moves of a knight on a chessboard.

City Grid Energy Consumption Analyzer

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

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.

ComplexNumberOperations Utility Class

Implement the ComplexNumberOperations class as described below.

Conference Attendee Finder

Design search methods to locate conference attendees by their badge numbers using linear and binary

Container Shipping Scheduler

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

Course Enrollment Sorter

Develop methods to sort courses by enrollment numbers using selection sort and merge sort.

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

Data Encryption Simulator

This question simulates a simple data encryption system using a Caesar cipher. You will implement me

DataEncryption Utility Class

Implement the DataEncryption class as described below.

Digital Elevation Map Analyzer

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

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

Digital Poster Editor

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

Drone Delivery System

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

Dynamic Array Manipulation

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

Dynamic Shopping Cart Simulator

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

Dynamic Temperature Monitor

This question involves developing methods for a TemperatureMonitor class to manage and analyze tempe

E-commerce Order System

This question simulates processing customer orders in an e-commerce environment. The OrderProcessor

E-commerce Order Tracker

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

E-Commerce Product Sorter

Implement the sortProductsByName and searchProductByName methods in the ProductSorter class.

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.

Educational Institution Application

Design an educational institution application system using inheritance. Create an abstract Instituti

Email Management System

This question involves sorting emails by date and searching for an email by its subject. You will im

Emergency Response Routing

This problem simulates the planning of an emergency response route on a city grid.

Employee Records Search

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

Employee Salary Calculation Hierarchy

Design a class hierarchy to compute employee salaries.

Employee Salary System

Design an employee salary system using inheritance. Create an abstract Employee class with an abstra

Employee Schedules Organizer

Implement the sortShifts and searchShift methods in the EmployeeSchedule class.

Employee Timesheet Processor

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

EncryptionHelper Class

This question involves designing an EncryptionHelper utility class that performs simple Caesar ciphe

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

EventTicketing

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

Farm Crop Yield Predictor

This question involves predicting crop yield across multiple fields. You will implement methods to c

Farm Field Irrigation

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

FileProcessor Class

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

FileProcessor Utility Class

Implement the FileProcessor class as described below.

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

Fire Evacuation Simulator

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

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.

Floor Plan Transformer

Develop methods in the FloorPlanEditor class to rotate a floor plan 90 degrees and mirror it horizon

Forest Fire Simulation

This problem simulates the spread of a forest fire in a 2D grid representing a forest.

Forest Fire Simulator

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

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

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

Geometric Shapes Hierarchy

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

GeometryUtil Class

This question involves designing a GeometryUtil utility class that calculates areas of common geomet

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

Heat Map Cluster Detector

Implement methods to analyze a heat map grid. Determine if a cell is hot and compute the largest con

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.

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

Image Color Inverter

Develop a method in the PhotoEditor class that inverts the color of an image by replacing each pixel

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 Flipper

Develop methods in the ImageEditor class to flip an image horizontally and vertically.

ImageRotator: 90-Degree Clockwise Rotation

This question involves designing an ImageRotator class that rotates a 2D array representing an image

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

InventoryFormatter Class

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

Leaderboard Manager

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

Library Book Finder

This question simulates a library system that retrieves books by their ISBN. You will complete the f

Library Book Management System

Implement the sortBooksByTitle and searchBookByTitle methods in the LibraryManager class.

Library Catalog Advisor

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

Library Floor Navigation

In this question, you will analyze a library floor plan represented as a 2D array. Implement methods

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 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.

LogFormatter Class

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

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

MatrixOperations Utility Class

Implement the MatrixOperations class as described below.

Maze Navigator

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

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.

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.

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

Music Playlist Simulator

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

MusicPlaylist

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

MusicTrack Class Design

Implement the MusicTrack class as described above.

Ocean Pollution Detector

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

Office Layout Navigation

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

Online Quiz System

This question involves implementing a QuizManager class to manage quiz questions, add new questions,

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 Shopping Cart

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

Online Store Feedback Analyzer

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

Online Survey Analyzer

This question involves analyzing online survey responses. You will implement methods to compute the

Park Ranger Monitoring Layout

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

Parking Lot Grid Management

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

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

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

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

Pixel Image Filter

This question involves processing an image stored as a 2D array of grayscale pixel values (ranging f

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

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

PrimeUtils Class

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

Product Inventory System

This FRQ simulates a product inventory system. You will implement methods to sort an ArrayList of pr

Product Pricing Sorter

This question involves sorting product objects by price using two distinct sorting algorithms: selec

Production Quality Control

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

Public Transit Scheduler

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

Race Times Analysis

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

Race Timing Analyzer

Determine the fastest race time from an array of finish times.

Recipe Ingredient Calculator

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

RecipeOrganizer

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

Restaurant Menu Sorter

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

Restaurant Order Processing

This question involves managing a restaurant's order queue using an ArrayList. You will implement me

Restaurant Order Processor

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

RestaurantOrder Class Design

Implement the RestaurantOrder class as described above.

Retail Sales Analyzer

Develop a Retail Sales Analyzer to filter low sales and compute sales statistics.

Road Trip Planner

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

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

Room Temperature Monitor

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

Satellite Image Analyzer

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

SatelliteImage: Grid Resizing

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

Seating Arrangement Checker

This question involves checking seating arrangements represented as a 2D array. Implement methods in

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

Sewer System Map Mapper

This question involves mapping an underground sewer system represented as a 2D grid. You will implem

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Smart Home Energy Monitor

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

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 Post

This question asks you to design a SocialMediaPost class to represent posts on a social media platfo

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

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

SocialNetwork

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

Space Explorer Grid

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

Sports 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 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

StringManipulator Utility Class

Implement the StringManipulator class as described below.

Student Class Design

Implement the Student class as described above.

Student Grade Processor

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

Student Grades Analyzer

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

Student Record System

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

Student Records Processor

This question simulates processing student records using two different search methods: linear search

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

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.

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

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

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 Data Processor

Process hourly vehicle counts by identifying the peak hour and calculating the average count.

Traffic Density Analyzer

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

Traffic Light Simulator

Adjust traffic light timings by adding bonus seconds to those below a given threshold.

Traffic Monitoring System

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

Traffic Pattern Analyzer

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

Traffic Signal Controller

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

Traffic 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

TrafficMonitor

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Travel Itinerary Planner

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

Underwater Volcano Detector

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

UrbanPlanner: Map Rotation and Reflection

This multi-part question involves designing the UrbanPlanner class to manipulate a city map represen

Vehicle Hierarchy System

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

VideoGame Class Design

Implement the VideoGame class as described above.

Virtual Zoo Habitat Enclosure

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

Virus Spread Simulation

This question simulates the spread of a virus over a series of days. You will implement methods to p

Warehouse 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

Warehouse Path Planning

This problem involves planning and verifying a route for a warehouse robot navigating through a grid

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

Implement the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

Weather Station Data Processor

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

WeatherData Analyzer

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

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.