AP Computer Science A FRQ Room

Agricultural Field Monitor

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

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

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 Monitor

This question involves designing a BankTransactionMonitor class to process a series of bank transact

Battlefield Strategy Grid

This question involves determining line-of-sight on a battlefield grid to decide if a unit can attac

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

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 Collection Organizer

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

Book Inventory Manager

This question asks you to design a Book class to manage book details in an inventory system.

Bookstore Inventory Organizer

This FRQ focuses on organizing bookstore inventory data. You will implement methods to sort book tit

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

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 Class Design

Implement the Car class as described above.

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

ChessKnight Moves

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

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 Congestion

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

City Traffic Grid Analysis

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

City Traffic Simulator

This question involves simulating traffic light updates at city intersections on a 2D grid. You will

Coffee Shop Order

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

Concert Ticket

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

Conference Attendee Finder

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

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

Converter Class

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

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.

Data Encryption Simulator

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

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 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

DigitalArt: Invert Colors

This question involves designing the DigitalArt class to invert the colors of a grayscale image. Imp

Drone Delivery Navigation

This question simulates route planning for drone delivery. You will implement methods to compute the

Dynamic Temperature Monitor

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

E-commerce Order Management

Develop an e-commerce order management system using inheritance. Create an abstract Order class with

E-commerce Order System

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

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'.

Earthquake Intensity Map Analyzer

This question requires scanning a 2D array representing earthquake intensity readings to identify hi

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.

Elevator Simulation

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

Emergency Response Routing

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

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.

Employee Timesheet Processor

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

Environmental Pollution Monitor

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

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Event Scheduler

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

Event Seating Analyzer

Implement a method to count horizontal contiguous sequences of empty seats in an event seating chart

Event Timer and Alarm

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

EventTicketing

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

Exam Grader Automation

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

ExpressionEvaluator Class

This question involves designing an ExpressionEvaluator utility class to evaluate arithmetic express

Factory Production Line Monitor

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

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

FileProcessor Utility Class

Implement the FileProcessor class as described below.

Fitness Activity Calories Calculation Hierarchy

Design a class hierarchy to calculate calories burned during fitness activities.

Fitness Tracker

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

Fitness Tracker Data Analyzer

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

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

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

Fuel Consumption Tracker

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

Game Item Shop

This question involves designing a GameItemShop class to simulate an online shop for virtual game it

GameBoardMirror: Invert Puzzle Board

This question involves designing the GameBoard class for a sliding puzzle game. Implement the mirror

Garden Plant Height Analysis

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

Geographic Location Lookup

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

Geometric Shapes Hierarchy

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

Grayscale Image Edge Finder

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

Grid Explorer Simulation

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

Gym Membership Tracker

This question involves implementing a MembershipTracker class to update member statuses and generate

Healthcare Appointment System

This question involves managing healthcare appointments. You will implement methods to schedule appo

Heat Map Cluster Detector

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

Hospital Patient Wait Times

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

Ice Cream Flavor Finder

This question involves analyzing an ice cream parlor’s flavor distribution grid. Implement methods t

Image Edge Enhancer

Implement a method in the ImageEditor class that enhances the edges in an image by applying an edge

Image Flipper

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

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

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

ImageRotator: 90-Degree Clockwise Rotation

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

Inventory Item Locator

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

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

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 Manager

This question involves designing an InventoryManager class for managing stock levels in a retail set

InventoryFormatter Class

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

InventoryManager

Design an InventoryManager class that tracks products and their quantities in a store.

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 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 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 Locator

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

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

Matrix Sum Calculator

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

MatrixOperations Class

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

Maze Navigator

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

Maze Solver

This question involves designing a MazeSolver class that finds a path through a maze represented by

MazeRobot Navigation

This question involves managing a MazeRobot that navigates a 2D grid maze with obstacles. You will i

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 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

Movie Showtime

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

Movie Theater Seat Reservation

This question examines seating arrangements in a movie theater using a 2D array. Implement methods i

Movie Ticket Sorter

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

Museum Security Patrol

This problem simulates a museum guard’s patrol through a grid representing a museum layout.

MusicPlaylist

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

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 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 Course Feedback Analyzer

Implement the sortFeedbackScores and searchFeedbackScore methods in the FeedbackAnalyzer class.

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

Order Processor

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

PacMan Maze Simulation

This question involves simulating a PacMan maze where both PacMan and ghosts move through a 2D grid.

Parcel Delivery Optimization

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

Park Ranger's Patrol

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

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

Payment Processing System

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

Pixel Art Transformer

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

PixelArt: Color Quantization

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

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

PolynomialUtils Class

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

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

Public Transit Scheduler

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

Public Transport Usage Analyzer

Analyze public transport usage by identifying routes with unusual surges based on passenger counts.

Race Times Analysis

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

Rainfall Data Processing

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

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 Order Processor

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

Restaurant Table Reservation Grid

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

Retail Inventory Empty Shelf Detector

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

Retail Mall Floor Plan Analyzer

Implement a method to detect a cluster of food court cells in a retail mall floor plan grid.

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 Maze Navigation

This problem simulates navigating a robot through a maze with obstacles.

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 Crop Field Analyzer

This question requires scanning a 2D array representing a satellite image of crop fields to determin

SatelliteImage: Grid Resizing

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

Sea Temperature Analyzer

This question requires scanning a 2D float array representing sea surface temperatures to locate a h

SecurityCam: Blur Filter

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

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

Sewer System Map Mapper

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

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 simulates a smart home energy monitoring system. The EnergyMonitor class analyzes hour

Smart Home Energy Monitor

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

Smart Home Sensor Data Manager

This question involves managing sensor data in a smart home system. You will implement methods to so

Social Distancing Layout Checker

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

Social Media Analytics

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

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

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

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 Equipment Hierarchy

Design a class hierarchy for modeling sports equipment usage.

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 Trend Analyzer

This question involves analyzing stock price data using advanced array manipulation techniques. You

StockTracker Simulation

This question involves designing a StockTracker class to monitor the stock prices of various compani

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 Processor

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

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

Student Scores Analyzer

Implement the methods in the StudentScoreAnalyzer class.

Student Search Database

Implement linear and binary search methods to locate a student record by ID in a database.

Student Test Score Analyzer

This question involves analyzing student test scores by sorting and searching them. You will complet

Survey Data Processor

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

Temperature Data Analyzer

Develop a Temperature Data Analyzer that manipulates an array of temperature readings.

TerrainMap: Elevation Smoothing

This question involves designing a TerrainMap class that smooths a 2D array representing terrain ele

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

TimeConverter Utility Class

Implement the TimeConverter class as described below.

Traffic Grid Simulator

This problem involves developing a simulation for vehicle movement within a city traffic grid.

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

TrafficMap: Route Highlighter

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

TrafficMonitor

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

Transportation Ticketing System

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

Travel Time Estimator

Develop a Travel Time Estimator to filter outlier travel times and compute the median travel time.

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

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

Virtual Garden Planner

This question involves developing a method for a Virtual Garden Planner to select plants based on th

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 the sortTemperatures and getTemperatureRange methods in the WeatherDataAnalyzer class.

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 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 Processing

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

Weather Forecast Hierarchy

Design a class hierarchy for weather forecasts.

Weather Station Data Analyzer

This question involves analyzing weather station data records. You will implement methods to sort te

WeatherData Analyzer

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

Wildlife Herd Counter

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

Word Search Detector

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

Word Search Puzzle Analyzer

This question requires scanning a word search puzzle represented by a 2D character array to locate a