AP Computer Science A FRQ Room

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 an animal sounds system using inheritance and polymorphism. Create an abstract Animal class w

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

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.

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

Autonomous Vacuum Cleaner

This question involves simulating an autonomous vacuum cleaner navigating a room represented as a 2D

Bank Account Manager

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

Bank Transaction Analyzer

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

Bank Transaction 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 Summarizer

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

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 Board Scanner

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

Battleship Navigation

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

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.

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

Calendar Event Conflict Resolver

This question involves developing methods for a CalendarScheduler class that manages event schedulin

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 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.

Chat Message Thread Organizer

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

ChatRoom

Design a ChatRoom class that simulates a messaging environment for users.

Chess Board Analyzer

This EXTREME question involves analyzing a chess board represented as a 2D array. Implement methods

ChessKnight Moves

This question involves calculating all possible moves for a knight on a chessboard from a given posi

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 Public Library Reservation System

Implement the sortReservationsByUserId and searchReservationByUserId methods in the LibraryReservati

City Traffic Congestion

Develop a City Traffic Congestion analyzer to filter intersections with high delays and compute the

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.

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

Cryptography Tool

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

CurrencyConverter Utility Class

Implement the CurrencyConverter 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 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 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-Mail Filter

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

Elevator Simulation

This question simulates an elevator system. The ElevatorSystem class tracks the current floor of an

Email Management System

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

Employee 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 Timesheet Processor

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

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 Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Environmental Sensor Readings

Design an Environmental Sensor Readings analyzer to filter valid readings and compute standard devia

Event Scheduler

This question involves designing an EventScheduler class to manage and organize events on a timeline

Event Timer and Alarm

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

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

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

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 Analyzer

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

Flight Class Design

Implement the Flight class as described above.

Flight Reservation System

This question involves designing a FlightReservation class to manage seat bookings, cancellations, a

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.

Floor Plan Transformer

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

ForestFire: Spread Simulation

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

Fuel Consumption Tracker

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

Game 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

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

Gardening Tool Hierarchy

Design a class hierarchy for gardening tools.

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

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 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

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

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

Image Rotator

Develop methods in the ImageEditor class to rotate an image by 90 degrees and 180 degrees.

Image Smoothing Filter

Enhance the ImageEditor class by developing a smoothing filter that reduces noise in an image throug

ImageFilter: Edge Detection Filter

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

ImageRotator: 90-Degree Clockwise Rotation

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

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 Item Locator

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

Inventory Management System

This question involves creating an inventory management system that uses ArrayLists to maintain a dy

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

Inventory Management System

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

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 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.

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 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 Inventory

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

Library Book Manager

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

Library Book 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 Shelf Arrangement

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

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

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 Utility Class

Implement the MatrixOperations class as described below.

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

Meteorological Storm Cell Detector

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

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 Database Search

This question involves searching for movies by rating in a movie database. You will implement the se

Movie Showtime

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

Movie Ticket Sorter

Develop methods to sort movie showings by start time using selection sort and merge sort.

Music Playlist Hierarchy

Design a class hierarchy for music playlists.

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

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

OceanSimulator: Wave Distortion

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

Office Layout Navigation

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

Online Course Enrollment

This 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

Parking Garage Levels Analysis

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

Parking Lot Grid Management

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

Parking Lot Manager

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

Parking Lot Occupancy Detector

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

ParkingLotManager

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

PasswordGenerator Class

This question involves designing a PasswordGenerator utility class that generates random passwords m

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

Pixel Art Transformer

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

Planet Surface Rover Simulator

This question involves simulating a rover navigating the surface of a planet represented as a 2D gri

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

PolynomialUtils Class

This question involves designing a PolynomialUtils utility class to evaluate polynomials using stati

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.

Public Transit Scheduler

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

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 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 Ingredient Calculator

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

Reservation System

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

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

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 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

Road Trip Planner

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

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

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 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

Smartphone Class Design

Implement the Smartphone class as described above.

Social Media Analytics

This FRQ centers on social media post analytics. You will implement methods to sort post 'like' coun

Social Media Feed Analyzer

This question involves developing a SocialMediaFeedAnalyzer class that processes an array of like co

Social Media Feed Filter

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

Social Media Friend Search

Design search methods to find user profiles by username using linear and binary search.

Social Media Post Analyzer

This question examines the analysis of social media posts for specific hashtags. The PostAnalyzer cl

Social Media Post Analyzer

Determine the index of the most liked social media post from an array of like counts.

Social Media Post Scheduler

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

Social Media Post Sorter

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

Space Explorer Grid

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

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

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 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

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

Student Records Processor

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

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.

Temperature Grid Analysis

This question involves analyzing a 2D array of temperature readings from various sensors. Complete t

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

Ticket Booking System

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

TimeConverter Utility Class

Implement the TimeConverter class as described below.

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 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 Signal Controller

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

Traffic Violation Record Search

Implement the sortRecordsByLicensePlate and searchRecordByLicensePlate methods in the ViolationRecor

TrafficMonitor

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

TrainTicket Class Design

Implement the TrainTicket class as described above.

Travel Itinerary Planner

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

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

UrbanPlanner: Map Rotation and Reflection

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

Vehicle Hierarchy

Design a class hierarchy for vehicles.

Virtual Garden Layout Analyzer

Implement a method to count the number of contiguous plant regions in a garden layout grid.

Warehouse Pallet Organizer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

Weather Data Analyzer

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

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

Wildlife Herd Counter

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