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

Airline Ticket Price Calculator

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

Animal Class Design

Implement the Animal class as described above.

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

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.

Bank Account

This question requires you to design a BankAccount class that models a simple bank account.

Bank Account Fee Calculator

Develop a bank account fee calculator using inheritance. Create an abstract BankAccount class with a

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 Summarizer

Design a Bank Transaction Summarizer to sum deposits and filter withdrawals.

BankAccount Class Design

Implement the BankAccount class as described above.

Battleship Board Analysis

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

Battleship Board Scanner

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Bike Sharing System

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

Blueprint Analyzer

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

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.

Building Evacuation Plan

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

Bus Route Scheduler

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

Campus Map Building Finder

The CampusMap class represents a campus using a 2D char array where each character represents a buil

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

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 Metro Routing

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

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

City Weather Report

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

CoffeeOrder Class Design

Implement the CoffeeOrder class as described above.

Container Shipping Scheduler

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

Converter Class

This question involves designing a Converter utility class for converting between various units usin

Course Enrollment Hierarchy

Design a class hierarchy for course enrollments.

Crop Health Analyzer

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

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

DataEncryption Utility Class

Implement the DataEncryption class as described below.

DataFormatter Utility Class

Implement the DataFormatter class as described below.

Digital Art Transformer

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

Digital Mosaic Generator

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

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

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

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.

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

Election Vote Counter

Implement the sortCandidatesByName and searchCandidateByName methods in the VoteCounter class.

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 Salary Calculation Hierarchy

Design a class hierarchy to compute employee salaries.

Employee Schedules Organizer

Implement the sortShifts and searchShift methods in the EmployeeSchedule class.

EncryptionHelper Class

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

Energy Consumption Tracker

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

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 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

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

FileStatistics Class

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

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

Fitness Tracker

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

Fitness Tracker

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

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 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.

Game Level Map Editor

Implement the rotateLevel method in the LevelEditor class to rotate a game level map 90 degrees.

Game Score Tracker

This question involves implementing a ScoreTracker class to update game scores and retrieve the high

Garden Layout Planner

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

Garden Plant Height Analysis

The GardenAnalyzer class manages a 2D array representing the heights of plants in a garden. Implemen

Garden Plot Watering Scheduler

This question involves managing a garden plot represented as a 2D array. Implement methods in the Ga

Geographic Location Lookup

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

Grayscale Image Edge Finder

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

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

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 Management

Implement the sortPatientsByName and searchPatientByName methods in the PatientManager class.

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 Color Inverter

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

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: Horizontal Flip

This question involves designing an ImageFlipper class to perform a horizontal flip on a 2D array re

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

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

Inventory Item

This question asks you to design an InventoryItem class to represent an item in a store's inventory.

Inventory Management System

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

Inventory Manager

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

Inventory Tracker

This question involves implementing an InventoryTracker class to manage product stocks and trigger r

Labyrinth Diagonal Pathfinder

This question focuses on diagonal traversal of a 2D array representing a labyrinth. Implement method

Lawn Mower Simulator

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

Leaderboard Manager

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

Library Book Finder

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

Library Book Inventory

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

Library Catalog

This question involves designing a LibraryCatalog class to manage a collection of books in a library

Library Catalog Advisor

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

Library Item Checkout Hierarchy

Design a class hierarchy for library item checkout.

Library Loan Duration Analyzer

Create a Library Loan Duration Analyzer to remove overdue loans and compute the average loan duratio

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.

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

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.

Maze Navigator

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

Medical Image Processor

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

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

Mining Sensor Data Processor

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

Movie Class Design

Implement the Movie class as described above.

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

Movie Showtime

This question asks you to design a MovieShowtime class to represent movie screening details.

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 the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

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.

Network Packet Analyzer

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

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

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 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

Parcel Delivery Optimization

This FRQ involves the management of parcel weights in a delivery system. You will implement methods

Park Ranger's Patrol

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

Parking Garage Levels Analysis

The ParkingGarage class models a multi-level parking structure using a 2D array, where each row repr

Parking Lot Occupancy Detector

This question requires scanning a 2D array representing a parking lot to count empty parking spaces.

PasswordGenerator Utility Class

Implement the PasswordGenerator class as described below.

PasswordValidator Utility Class

Implement the PasswordValidator 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

Pixel Art Transformer

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

Plant Growth Analysis

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

PrimeUtils Class

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

Product Class Design

Implement the Product class as described above.

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 Transportation Scheduler

This question requires you to write methods to compute bus wait times for public transportation. You

Race Times Analysis

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

Real Estate Analyzer

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

Real Estate Listing Analyzer

Implement the sortListingsByPrice and searchListingByPrice methods in the ListingAnalyzer class.

Recipe 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 Processing

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

Restaurant Order Processing

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

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.

Retail Inventory Manager

Implement methods to manage retail inventory by sorting items by stock quantity and searching for an

Retail Sales Analyzer

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

Retail Store Sales Matrix Analysis

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

Robot Navigation Simulator

This question involves designing a RobotNavigator class that simulates movement in a grid and determ

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

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

Score Analyzer

This question involves implementing the ScoreAnalyzer class to compute average scores and count the

Seating Arrangement Checker

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

SecurityCam: Blur Filter

This question involves designing the SecurityCam class to apply a blur filter on a grayscale securit

Sensor Data Processor

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

Shape Area Calculator

Develop a shape hierarchy using inheritance. Create an abstract Shape class with an abstract method

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Smart Device Update Manager

Develop a smart device update manager using inheritance. Create an abstract SmartDevice class with a

Smart Home Energy Monitor

This question involves designing an EnergyMonitor class that processes smart home energy usage data

Smartphone Class Design

Implement the Smartphone class as described above.

Social Media Engagement Tracker

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

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 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

Sports Team Ranking

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

SportsTeam Class Design

Implement the SportsTeam class as described above.

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

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 Grade Processor

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

Student Record

This question asks you to design a Student class to record student information.

Student Scores Analyzer

Implement the methods in the StudentScoreAnalyzer class.

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

TeamStats

Implement methods to sort sports teams by their win-loss records and search for a team by name.

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

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

Traffic Flow Analyzer

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

Traffic Light Timing

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

Traffic Monitoring System

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

Traffic Monitoring System

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

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

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

University Course

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

Urban Building Cluster Analyzer

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

UrbanPlanner: Map Rotation and Reflection

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

Vaccine Distribution Center Analyzer

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

VideoGame Class Design

Implement the VideoGame class as described above.

Virus Spread Simulation

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

Warehouse 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

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Processing

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

Weather Pattern Recognition

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

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

WeatherData Analyzer

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

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 Detector

This question simulates a word search puzzle pattern detection. Implement methods to locate a target