AP Computer Science A FRQ Room

Animal Class Design

Implement the Animal class as described above.

Animal Sounds Hierarchy

Design a class hierarchy for representing animals and their sounds.

Art Exhibit

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

Autonomous Vacuum Cleaner

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

Bank Account

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

Bank 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

BattleGrid Analysis

In this question, you will analyze a battleship board represented as a 2D array. Implement methods i

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

Beverage Preparation Hierarchy

Design a class hierarchy for beverage preparation.

Book Catalog Manager

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

Book Inventory Manager

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

Bookstore Item Discount Hierarchy

Design a class hierarchy for bookstore items with discount calculations.

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 Map Path Finder

This question involves analyzing a campus map represented as a 2D array. Implement methods in the Ca

ChatBot Response System

This question involves designing a ChatBotResponseSystem class to simulate basic conversational resp

ChatRoom

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

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 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 Weather Report

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

Classroom Seating Analyzer

This question requires scanning a 2D array representing classroom seating to determine the size of t

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 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.

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

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

CurrencyConverter Utility Class

Implement the CurrencyConverter class as described below.

Cybersecurity Intrusion Detector

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

Data 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 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

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 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 Review Sorter

Implement methods to sort product reviews by rating and search for a review with a specific rating.

Earthquake Intensity Map Analyzer

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

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 Results Processor

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

Election Vote Tally

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

Elevator Simulation

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

Email Management System

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

Emergency Response Routing

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

Employee Payroll

This question asks you to design an Employee class to manage payroll information.

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

Event Registration System

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

Event Scheduler

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

Event Scheduling Simulator

Manage event schedules by detecting conflicts and removing conflicting events.

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.

Exam Grader Automation

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

Factory Production Line Monitor

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

Farm Cluster Detector

This question requires scanning a 2D array representing a farm field to detect clusters of the same

Farm Crop Yield Predictor

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

Farm Field Irrigation

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

Financial Stock Analyzer

This question simulates analysis of stock price data. The StockAnalyzer class processes an array of

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

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 Item Shop

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

Game of Life Pattern Detector

This question requires scanning a 2D array representing a Game of Life board to count the live neigh

GameBoardMirror: Invert Puzzle Board

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

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

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.

Grid Explorer Simulation

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

HeatMap: Smoothing and Normalization

This question involves designing the HeatMap class to process a 2D array of temperature readings. Im

Hospital Patient Record Management

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

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.

Ice Cream Flavor Finder

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

ImageFlipper: Horizontal Flip

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

ImageFlipper: Vertical Flip

This question involves extending the ImageFlipper class to include a vertical flip method. Implement

ImageTransformer: Combined Horizontal Flip and 90-Degree Rotation

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

Inventory Management System

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

Inventory Management System

Implement the sortItemsByID and searchItemByID methods in the InventoryManager class.

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

Library Book Management

This FRQ focuses on managing a collection of library books. You will implement methods to sort books

Library Book Management System

Implement the sortBooksByTitle and searchBookByTitle methods in the LibraryManager class.

Library Book Sorter

Implement two methods to sort library books by title using Bubble Sort and Insertion Sort.

Library Item Checkout Hierarchy

Design a class hierarchy for library item checkout.

Library Item Management

Design a library item management system using inheritance. Create an abstract LibraryItem class with

Library Loan Duration Analyzer

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

Library Navigation Assistant

This question involves assisting with navigating a library, whose layout is represented as a 2D grid

Library Shelf Arrangement

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

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.

MatrixOperations Utility Class

Implement the MatrixOperations class as described below.

Maze Solver

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

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

Movie Class Design

Implement the Movie class as described above.

Movie Database Search

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

Movie Rating Aggregator

This question involves writing a MovieRatingAggregator class that collects and processes movie ratin

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

Museum Exhibit Organizer

This question involves organizing museum exhibits by their estimated age. You will implement the mer

Music Playlist Duration Analyzer

Develop a Music Playlist Duration Analyzer to filter short tracks and compute total duration.

Music Playlist Manager

This question involves managing a music playlist that is maintained in a sorted order based on song

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 Organizer

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

Music Playlist Simulator

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

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 Layout Navigation

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

Online Course Enrollment

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

Online Course Enrollment

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

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

Pac-Man Maze Simulation

This problem involves simulating Pac-Man's movement in a maze to collect pellets.

Parcel Delivery Optimization

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

Park Ranger Monitoring Layout

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

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 Occupancy Tracker

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

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.

Payment Processing Hierarchy

Design a class hierarchy for processing payments.

Personal Finance Calculator

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

PixelArt: Color Quantization

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

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.

PrimeUtils Class

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

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.

QR Code Processor

Implement methods for processing QR code images by reducing noise and flipping the code vertically.

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

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 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 Scheduler

Implement methods to sort restaurant orders by order time and search for an order by its ID.

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

Robot Controller

This question involves designing a RobotController class to simulate a robot navigating a grid-based

Robot Maze Navigation

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

Robot Navigation Simulator

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

Robot Task Performance Hierarchy

Design a class hierarchy for robots performing various tasks.

Robot Vacuum Floor Scanner

This question requires scanning a 2D array representing a home floor plan to simulate a robot vacuum

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

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 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

Smart Home Sensor Data Manager

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

Soccer Field Tactics Simulator

This question involves determining if a clear path exists between two points on a soccer field repre

Social Media Engagement Tracker

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

Social Media Feed Filter

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

Social Media Friend Finder

Implement the sortFriendsAlphabetically and searchFriend methods in the FriendFinder class.

Social Media Friend Search

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

Social Media Post Sorter

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

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.

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.

Sports Tournament Scheduler

Design a Sports Tournament Scheduler to update team points and determine the top team.

Sports Tournament Scoreboard

The Scoreboard class tracks game scores in a sports tournament using a 2D array, where each row repr

SportsTeam Class Design

Implement the SportsTeam class as described above.

StringManipulator Utility Class

Implement the StringManipulator class as described below.

Student Class Design

Implement the Student class as described above.

Student Grade Analyzer

This question involves designing a StudentGradeAnalyzer class to process student scores. You will im

Student Grades Analyzer

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

Student Grades Sorting

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

Student Record

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

Student Record System

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

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

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

TeamStats

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

Temperature Data Analyzer

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

TemperatureConverter Utility Class

Implement the TemperatureConverter class as described below.

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

Ticket Booking System

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

TimeConversion Class

This question involves designing a TimeConversion utility class that converts between seconds and HH

Tissue Culture Growth Simulation

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

Traffic Accident Analyzer

This question involves implementing an AccidentAnalyzer class to process accident reports and comput

Traffic Congestion Hotspot

Detect traffic congestion hotspots in a city grid by analyzing submatrix averages.

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 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 Simulator

This question involves designing a TrafficSimulator class to model and simulate traffic flow on a gr

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

Underwater Drone Explorer

This question involves simulating an underwater drone exploring a 2D grid representing the ocean flo

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

Virtual Garden Layout Analyzer

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

Virtual Garden Planner

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

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

Weather Data Analysis

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

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 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

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.

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